diff --git a/src/compiler/crystal/tools/playground/views/_about.html b/src/compiler/crystal/tools/playground/views/_about.html
index c4b576c69d0b..83f4d52a9a10 100644
--- a/src/compiler/crystal/tools/playground/views/_about.html
+++ b/src/compiler/crystal/tools/playground/views/_about.html
@@ -65,7 +65,7 @@ <h1>Usage</h1>
   context.response.headers["Content-Type"] = "text/plain"
   context.response.print("Hello world!")
 end
-server.bind "0.0.0.0", 5678
+server.bind_tcp "0.0.0.0", 5678
 
 puts "Listening on http://0.0.0.0:5678"
 server.listen</pre>
diff --git a/src/http/formdata.cr b/src/http/formdata.cr
index 0aa455329aa4..fafdc35315a9 100644
--- a/src/http/formdata.cr
+++ b/src/http/formdata.cr
@@ -34,7 +34,7 @@ require "./formdata/**"
 #   context.response << file.path
 # end
 #
-# server.bind 8085
+# server.bind_tcp 8085
 # server.listen
 # ```
 #