diff --git a/pages/osx/brew.md b/pages/osx/brew.md
index 9fee90feb0..34e27e64a8 100644
--- a/pages/osx/brew.md
+++ b/pages/osx/brew.md
@@ -22,6 +22,10 @@
 
 `brew update`
 
+- Remove old versions of installed formulae. If no formula name is given, all installed formulae are processed (use `-n` for dry run):
+
+`brew cleanup {{formula}}`
+
 - Show formulae that have a more recent version available:
 
 `brew outdated`