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-rw-r--r--doc/src/guide/req.asciidoc2
1 files changed, 1 insertions, 1 deletions
diff --git a/doc/src/guide/req.asciidoc b/doc/src/guide/req.asciidoc
index 2dd0a86..39cd1b6 100644
--- a/doc/src/guide/req.asciidoc
+++ b/doc/src/guide/req.asciidoc
@@ -274,7 +274,7 @@ parameter `key` was defined, but with no value.
The second function Cowboy provides allows you to match out
only the parameters you are interested in, and at the same
-time do any post processing you require using ^constraints^.
+time do any post processing you require using xref:constraints[constraints].
This function returns a map.
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