diff --git a/Library/Homebrew/test/cmd/commands_spec.rb b/Library/Homebrew/test/cmd/commands_spec.rb
index cf6f567404..46ed3ddcfe 100644
--- a/Library/Homebrew/test/cmd/commands_spec.rb
+++ b/Library/Homebrew/test/cmd/commands_spec.rb
@@ -68,7 +68,7 @@ describe Homebrew do
 
       expect(cmds).to include("t1"), "Executable files should be included"
       expect(cmds).to include("t2"), "Executable Ruby files should be included"
-      expect(cmds).not_to include("t3"), "Executable files with a non Ruby extension shoudn't be included"
+      expect(cmds).not_to include("t3"), "Executable files with a non Ruby extension shouldn't be included"
       expect(cmds).not_to include("t4"), "Non-executable files shouldn't be included"
     end
   end