diff --git a/Library/Homebrew/cmd/update.sh b/Library/Homebrew/cmd/update.sh
index 111644907b..9f2d6070fd 100644
--- a/Library/Homebrew/cmd/update.sh
+++ b/Library/Homebrew/cmd/update.sh
@@ -399,7 +399,7 @@ homebrew-core and homebrew-cask are shallow clones. To \`brew update\` first run
   git -C "$HOMEBREW_LIBRARY/Taps/homebrew/homebrew-cask" fetch --unshallow
 This restriction has been made on GitHub's request because updating shallow
 clones is an extremely expensive operation due to the tree layout and traffic of
-Homebrew/homebrew-core and Homebrew/homebrew-core. We don't do this for you
+Homebrew/homebrew-core and Homebrew/homebrew-cask. We don't do this for you
 automatically to avoid repeatedly performing an expensive unshallow operation in
 CI systems (which should instead be fixed to not use shallow clones). Sorry for
 the inconvenience!