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-rw-r--r--doc/src/manual/gun.open_unix.asciidoc4
1 files changed, 3 insertions, 1 deletions
diff --git a/doc/src/manual/gun.open_unix.asciidoc b/doc/src/manual/gun.open_unix.asciidoc
index 225ecc8..4ea8d2b 100644
--- a/doc/src/manual/gun.open_unix.asciidoc
+++ b/doc/src/manual/gun.open_unix.asciidoc
@@ -8,10 +8,12 @@ gun:open_unix - Open a connection to the given Unix domain socket
[source,erlang]
----
-open_unix(SocketPath, Opts) -> {ok, pid()} | {error, any()}
+open_unix(SocketPath, Opts) -> {ok, pid()} | {error, Reason}
SocketPath :: string()
Opts :: gun:opts()
+Reason :: {options, OptName} | {options, {http | http2, OptName}} | any()
+OptName :: atom()
----
Open a connection to the given Unix domain socket.