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-rw-r--r--doc/src/guide/ws_handlers.ezdoc2
1 files changed, 1 insertions, 1 deletions
diff --git a/doc/src/guide/ws_handlers.ezdoc b/doc/src/guide/ws_handlers.ezdoc
index 0de7910..9c3e2b7 100644
--- a/doc/src/guide/ws_handlers.ezdoc
+++ b/doc/src/guide/ws_handlers.ezdoc
@@ -73,7 +73,7 @@ websocket_init(_Type, Req, _Opts) ->
{ok, Subprotocols, Req2} ->
case lists:keymember(<<"mychat2">>, 1, Subprotocols) of
true ->
- Req3 = cowboy:set_resp_header(<<"sec-websocket-protocol">>,
+ Req3 = cowboy_req:set_resp_header(<<"sec-websocket-protocol">>,
<<"mychat2">>, Req2),
{ok, Req3, #state{}};
false ->