Ensure the 99s.css file gets reloaded

31 files changed, 31 insertions, 31 deletions

diff --git a/docs/en/cowboy/2.0/guide/architecture/index.html b/docs/en/cowboy/2.0/guide/architecture/index.html
index 27c78610..cf166dfb 100644
--- a/docs/en/cowboy/2.0/guide/architecture/index.html
+++ b/docs/en/cowboy/2.0/guide/architecture/index.html
@@ -12,7 +12,7 @@
     <title>Nine Nines: Architecture</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css" rel="stylesheet">
+    <link href="/css/99s.css?r=1" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.0/guide/broken_clients/index.html b/docs/en/cowboy/2.0/guide/broken_clients/index.html
index edf0b1ff..e05f85f5 100644
--- a/docs/en/cowboy/2.0/guide/broken_clients/index.html
+++ b/docs/en/cowboy/2.0/guide/broken_clients/index.html
@@ -12,7 +12,7 @@
     <title>Nine Nines: Dealing with broken clients</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css" rel="stylesheet">
+    <link href="/css/99s.css?r=1" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.0/guide/constraints/index.html b/docs/en/cowboy/2.0/guide/constraints/index.html
index efe45c5b..04171ebb 100644
--- a/docs/en/cowboy/2.0/guide/constraints/index.html
+++ b/docs/en/cowboy/2.0/guide/constraints/index.html
@@ -12,7 +12,7 @@
     <title>Nine Nines: Constraints</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css" rel="stylesheet">
+    <link href="/css/99s.css?r=1" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.0/guide/cookies/index.html b/docs/en/cowboy/2.0/guide/cookies/index.html
index 8b7c1429..c81cc17c 100644
--- a/docs/en/cowboy/2.0/guide/cookies/index.html
+++ b/docs/en/cowboy/2.0/guide/cookies/index.html
@@ -12,7 +12,7 @@
     <title>Nine Nines: Using cookies</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css" rel="stylesheet">
+    <link href="/css/99s.css?r=1" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.0/guide/erlang_web/index.html b/docs/en/cowboy/2.0/guide/erlang_web/index.html
index 94826034..c7e88684 100644
--- a/docs/en/cowboy/2.0/guide/erlang_web/index.html
+++ b/docs/en/cowboy/2.0/guide/erlang_web/index.html
@@ -12,7 +12,7 @@
     <title>Nine Nines: Erlang and the Web</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css" rel="stylesheet">
+    <link href="/css/99s.css?r=1" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.0/guide/flow_diagram/index.html b/docs/en/cowboy/2.0/guide/flow_diagram/index.html
index a0e27d38..976eb09d 100644
--- a/docs/en/cowboy/2.0/guide/flow_diagram/index.html
+++ b/docs/en/cowboy/2.0/guide/flow_diagram/index.html
@@ -12,7 +12,7 @@
     <title>Nine Nines: Flow diagram</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css" rel="stylesheet">
+    <link href="/css/99s.css?r=1" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.0/guide/getting_started/index.html b/docs/en/cowboy/2.0/guide/getting_started/index.html
index 14c054a0..5abd3779 100644
--- a/docs/en/cowboy/2.0/guide/getting_started/index.html
+++ b/docs/en/cowboy/2.0/guide/getting_started/index.html
@@ -12,7 +12,7 @@
     <title>Nine Nines: Getting started</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css" rel="stylesheet">
+    <link href="/css/99s.css?r=1" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.0/guide/handlers/index.html b/docs/en/cowboy/2.0/guide/handlers/index.html
index ef7917b8..ba92d89c 100644
--- a/docs/en/cowboy/2.0/guide/handlers/index.html
+++ b/docs/en/cowboy/2.0/guide/handlers/index.html
@@ -12,7 +12,7 @@
     <title>Nine Nines: Handlers</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css" rel="stylesheet">
+    <link href="/css/99s.css?r=1" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.0/guide/hooks/index.html b/docs/en/cowboy/2.0/guide/hooks/index.html
index afbed590..dd42215e 100644
--- a/docs/en/cowboy/2.0/guide/hooks/index.html
+++ b/docs/en/cowboy/2.0/guide/hooks/index.html
@@ -12,7 +12,7 @@
     <title>Nine Nines: Hooks</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css" rel="stylesheet">
+    <link href="/css/99s.css?r=1" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.0/guide/index.html b/docs/en/cowboy/2.0/guide/index.html
index dce4e459..7118db7b 100644
--- a/docs/en/cowboy/2.0/guide/index.html
+++ b/docs/en/cowboy/2.0/guide/index.html
@@ -12,7 +12,7 @@
     <title>Nine Nines: Cowboy User Guide</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css" rel="stylesheet">
+    <link href="/css/99s.css?r=1" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.0/guide/introduction/index.html b/docs/en/cowboy/2.0/guide/introduction/index.html
index 05517a83..8c0c25f8 100644
--- a/docs/en/cowboy/2.0/guide/introduction/index.html
+++ b/docs/en/cowboy/2.0/guide/introduction/index.html
@@ -12,7 +12,7 @@
     <title>Nine Nines: Introduction</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css" rel="stylesheet">
+    <link href="/css/99s.css?r=1" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.0/guide/listeners/index.html b/docs/en/cowboy/2.0/guide/listeners/index.html
index 911c22d7..0b03ab16 100644
--- a/docs/en/cowboy/2.0/guide/listeners/index.html
+++ b/docs/en/cowboy/2.0/guide/listeners/index.html
@@ -12,7 +12,7 @@
     <title>Nine Nines: Listeners</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css" rel="stylesheet">
+    <link href="/css/99s.css?r=1" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.0/guide/loop_handlers/index.html b/docs/en/cowboy/2.0/guide/loop_handlers/index.html
index 2735ba02..70bf5637 100644
--- a/docs/en/cowboy/2.0/guide/loop_handlers/index.html
+++ b/docs/en/cowboy/2.0/guide/loop_handlers/index.html
@@ -12,7 +12,7 @@
     <title>Nine Nines: Loop handlers</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css" rel="stylesheet">
+    <link href="/css/99s.css?r=1" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.0/guide/middlewares/index.html b/docs/en/cowboy/2.0/guide/middlewares/index.html
index 125a6013..35d9e1c3 100644
--- a/docs/en/cowboy/2.0/guide/middlewares/index.html
+++ b/docs/en/cowboy/2.0/guide/middlewares/index.html
@@ -12,7 +12,7 @@
     <title>Nine Nines: Middlewares</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css" rel="stylesheet">
+    <link href="/css/99s.css?r=1" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.0/guide/modern_web/index.html b/docs/en/cowboy/2.0/guide/modern_web/index.html
index 84266981..62aef447 100644
--- a/docs/en/cowboy/2.0/guide/modern_web/index.html
+++ b/docs/en/cowboy/2.0/guide/modern_web/index.html
@@ -12,7 +12,7 @@
     <title>Nine Nines: The modern Web</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css" rel="stylesheet">
+    <link href="/css/99s.css?r=1" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.0/guide/multipart/index.html b/docs/en/cowboy/2.0/guide/multipart/index.html
index f760b886..a87ba158 100644
--- a/docs/en/cowboy/2.0/guide/multipart/index.html
+++ b/docs/en/cowboy/2.0/guide/multipart/index.html
@@ -12,7 +12,7 @@
     <title>Nine Nines: Multipart requests</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css" rel="stylesheet">
+    <link href="/css/99s.css?r=1" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.0/guide/overview/index.html b/docs/en/cowboy/2.0/guide/overview/index.html
index f11e4899..fb4e5cee 100644
--- a/docs/en/cowboy/2.0/guide/overview/index.html
+++ b/docs/en/cowboy/2.0/guide/overview/index.html
@@ -12,7 +12,7 @@
     <title>Nine Nines: Request overview</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css" rel="stylesheet">
+    <link href="/css/99s.css?r=1" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.0/guide/req/index.html b/docs/en/cowboy/2.0/guide/req/index.html
index 6f2992a4..6ff5b0a7 100644
--- a/docs/en/cowboy/2.0/guide/req/index.html
+++ b/docs/en/cowboy/2.0/guide/req/index.html
@@ -12,7 +12,7 @@
     <title>Nine Nines: The Req object</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css" rel="stylesheet">
+    <link href="/css/99s.css?r=1" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.0/guide/req_body/index.html b/docs/en/cowboy/2.0/guide/req_body/index.html
index c028e85e..821b512c 100644
--- a/docs/en/cowboy/2.0/guide/req_body/index.html
+++ b/docs/en/cowboy/2.0/guide/req_body/index.html
@@ -12,7 +12,7 @@
     <title>Nine Nines: Reading the request body</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css" rel="stylesheet">
+    <link href="/css/99s.css?r=1" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.0/guide/resource_design/index.html b/docs/en/cowboy/2.0/guide/resource_design/index.html
index 8d684f95..1a288856 100644
--- a/docs/en/cowboy/2.0/guide/resource_design/index.html
+++ b/docs/en/cowboy/2.0/guide/resource_design/index.html
@@ -12,7 +12,7 @@
     <title>Nine Nines: Designing a resource handler</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css" rel="stylesheet">
+    <link href="/css/99s.css?r=1" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.0/guide/resp/index.html b/docs/en/cowboy/2.0/guide/resp/index.html
index 9aff3537..9e6a7c8a 100644
--- a/docs/en/cowboy/2.0/guide/resp/index.html
+++ b/docs/en/cowboy/2.0/guide/resp/index.html
@@ -12,7 +12,7 @@
     <title>Nine Nines: Sending a response</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css" rel="stylesheet">
+    <link href="/css/99s.css?r=1" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.0/guide/rest_flowcharts/index.html b/docs/en/cowboy/2.0/guide/rest_flowcharts/index.html
index 1f4b8aec..bc8427be 100644
--- a/docs/en/cowboy/2.0/guide/rest_flowcharts/index.html
+++ b/docs/en/cowboy/2.0/guide/rest_flowcharts/index.html
@@ -12,7 +12,7 @@
     <title>Nine Nines: REST flowcharts</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css" rel="stylesheet">
+    <link href="/css/99s.css?r=1" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.0/guide/rest_handlers/index.html b/docs/en/cowboy/2.0/guide/rest_handlers/index.html
index a7702508..f27c58fc 100644
--- a/docs/en/cowboy/2.0/guide/rest_handlers/index.html
+++ b/docs/en/cowboy/2.0/guide/rest_handlers/index.html
@@ -12,7 +12,7 @@
     <title>Nine Nines: REST handlers</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css" rel="stylesheet">
+    <link href="/css/99s.css?r=1" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.0/guide/rest_principles/index.html b/docs/en/cowboy/2.0/guide/rest_principles/index.html
index a37f1405..94ec56f5 100644
--- a/docs/en/cowboy/2.0/guide/rest_principles/index.html
+++ b/docs/en/cowboy/2.0/guide/rest_principles/index.html
@@ -12,7 +12,7 @@
     <title>Nine Nines: REST principles</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css" rel="stylesheet">
+    <link href="/css/99s.css?r=1" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.0/guide/routing/index.html b/docs/en/cowboy/2.0/guide/routing/index.html
index e85c5008..ceb1e202 100644
--- a/docs/en/cowboy/2.0/guide/routing/index.html
+++ b/docs/en/cowboy/2.0/guide/routing/index.html
@@ -12,7 +12,7 @@
     <title>Nine Nines: Routing</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css" rel="stylesheet">
+    <link href="/css/99s.css?r=1" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.0/guide/specs/index.html b/docs/en/cowboy/2.0/guide/specs/index.html
index cba3561e..a7467186 100644
--- a/docs/en/cowboy/2.0/guide/specs/index.html
+++ b/docs/en/cowboy/2.0/guide/specs/index.html
@@ -12,7 +12,7 @@
     <title>Nine Nines: HTTP and other specifications</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css" rel="stylesheet">
+    <link href="/css/99s.css?r=1" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.0/guide/static_files/index.html b/docs/en/cowboy/2.0/guide/static_files/index.html
index bb16e24c..2509348f 100644
--- a/docs/en/cowboy/2.0/guide/static_files/index.html
+++ b/docs/en/cowboy/2.0/guide/static_files/index.html
@@ -12,7 +12,7 @@
     <title>Nine Nines: Static files</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css" rel="stylesheet">
+    <link href="/css/99s.css?r=1" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.0/guide/streams/index.html b/docs/en/cowboy/2.0/guide/streams/index.html
index fd20ac6b..a73d9928 100644
--- a/docs/en/cowboy/2.0/guide/streams/index.html
+++ b/docs/en/cowboy/2.0/guide/streams/index.html
@@ -12,7 +12,7 @@
     <title>Nine Nines: Streams</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css" rel="stylesheet">
+    <link href="/css/99s.css?r=1" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.0/guide/sub_protocols/index.html b/docs/en/cowboy/2.0/guide/sub_protocols/index.html
index 6a9b16ab..26015611 100644
--- a/docs/en/cowboy/2.0/guide/sub_protocols/index.html
+++ b/docs/en/cowboy/2.0/guide/sub_protocols/index.html
@@ -12,7 +12,7 @@
     <title>Nine Nines: Sub protocols</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css" rel="stylesheet">
+    <link href="/css/99s.css?r=1" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.0/guide/ws_handlers/index.html b/docs/en/cowboy/2.0/guide/ws_handlers/index.html
index 9f927b2f..7ec685bf 100644
--- a/docs/en/cowboy/2.0/guide/ws_handlers/index.html
+++ b/docs/en/cowboy/2.0/guide/ws_handlers/index.html
@@ -12,7 +12,7 @@
     <title>Nine Nines: Websocket handlers</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css" rel="stylesheet">
+    <link href="/css/99s.css?r=1" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">
diff --git a/docs/en/cowboy/2.0/guide/ws_protocol/index.html b/docs/en/cowboy/2.0/guide/ws_protocol/index.html
index 9b9b0f70..38b754b0 100644
--- a/docs/en/cowboy/2.0/guide/ws_protocol/index.html
+++ b/docs/en/cowboy/2.0/guide/ws_protocol/index.html
@@ -12,7 +12,7 @@
     <title>Nine Nines: The Websocket protocol</title>
 
     <link href='https://fonts.googleapis.com/css?family=Open+Sans:400,700,400italic' rel='stylesheet' type='text/css'>
-    <link href="/css/99s.css" rel="stylesheet">
+    <link href="/css/99s.css?r=1" rel="stylesheet">
 
     <link rel="shortcut icon" href="/img/ico/favicon.ico">
     <link rel="apple-touch-icon-precomposed" sizes="114x114" href="/img/ico/apple-touch-icon-114.png">