diff --git a/Library/Homebrew/compat/hbc/cli/cleanup.rb b/Library/Homebrew/compat/hbc/cli/cleanup.rb
index 4a1104838c..49242de783 100644
--- a/Library/Homebrew/compat/hbc/cli/cleanup.rb
+++ b/Library/Homebrew/compat/hbc/cli/cleanup.rb
@@ -25,7 +25,7 @@ module Hbc
       end
 
       def run
-        odeprecated "`brew cask cleanup`", "´brew cleanup`", disable_on: Time.new(2018, 9, 30)
+        odeprecated "`brew cask cleanup`", "`brew cleanup`", disable_on: Time.new(2018, 9, 30)
 
         cleanup = Homebrew::Cleanup.new