diff --git a/Library/Homebrew/cmd/help.rb b/Library/Homebrew/cmd/help.rb
index ce015a42b1..858ccaf854 100644
--- a/Library/Homebrew/cmd/help.rb
+++ b/Library/Homebrew/cmd/help.rb
@@ -17,7 +17,7 @@ Troubleshooting:
 Brewing:
   brew create [URL [--no-fetch]]
   brew edit [FORMULA...]
-  open https://github.com/Homebrew/homebrew/blob/master/share/doc/homebrew/Formula-Cookbook.md
+  https://github.com/Homebrew/homebrew/blob/master/share/doc/homebrew/Formula-Cookbook.md
 
 Further help:
   man brew