diff --git a/phoenix-conn.md b/phoenix-conn.md
index b0aaef317..9f3bdd540 100644
--- a/phoenix-conn.md
+++ b/phoenix-conn.md
@@ -26,7 +26,8 @@ conn.req_headers   # → [{"content-type", "text/plain"}]
 ```
 
 ```elixir
-conn |> get_req_header("referer")
+conn |> get_req_header("content-type")
+# → ["text/plain"]
 ```
 
 ### Updating conn