Fix _brew_upgrade completion function

I found an error that was breaking my `brew upgrade ...` zsh completion
2020-10-07 11:21:34 -05:00 · 2020-10-07 11:21:34 -05:00 · 4016e746cd
commit 4016e746cd
parent 588f5f1713
1 changed files with 1 additions and 1 deletions
--- a/completions/zsh/_brew
+++ b/completions/zsh/_brew
@ -818,7 +818,7 @@ _brew_update_test() {
 # install-options is copied from brew install
 _brew_upgrade() {
  _arguments \
-  '--cask[upgrade installed Casks with newer versions]'
+  '--cask[upgrade installed Casks with newer versions]' \
  '--cleanup[remove previously installed formula version(s)]' \
  '--fetch-HEAD[detect if the HEAD installation of the formula is outdated]' \
  - normal-install \