diff --git a/completions/fish/brew.fish b/completions/fish/brew.fish
index 9d88c13fab..63dfd274f2 100644
--- a/completions/fish/brew.fish
+++ b/completions/fish/brew.fish
@@ -542,7 +542,7 @@ __fish_brew_complete_arg 'contributions' -l debug -d 'Display any debugging info
 __fish_brew_complete_arg 'contributions' -l from -d 'Date (ISO-8601 format) to start searching contributions'
 __fish_brew_complete_arg 'contributions' -l help -d 'Show this message'
 __fish_brew_complete_arg 'contributions' -l quiet -d 'Make some output more quiet'
-__fish_brew_complete_arg 'contributions' -l repositories -d 'Specify a comma-separated (no spaces) list of repositories to search. Supported repositories: `brew`, `core`, `cask`, `aliases`, `autoupdate`, `bundle`, `command-not-found`, `test-bot`, `services`, `cask-drivers`, `cask-fonts` and `cask-versions`. Omitting this flag, or specifying `--repositories=all`, searches all repositories. Use `--repositories=primary` to search only the main repositories: brew,core,cask'
+__fish_brew_complete_arg 'contributions' -l repositories -d 'Specify a comma-separated (no spaces) list of repositories to search. Supported repositories: `brew`, `core`, `cask`, `aliases`, `autoupdate`, `bundle`, `command-not-found`, `test-bot`, `services`, `cask-drivers`, `cask-fonts`, and `cask-versions`. Omitting this flag, or specifying `--repositories=all`, searches all repositories. Use `--repositories=primary` to search only the main repositories: brew,core,cask'
 __fish_brew_complete_arg 'contributions' -l to -d 'Date (ISO-8601 format) to stop searching contributions'
 __fish_brew_complete_arg 'contributions' -l user -d 'A GitHub username or email address of a specific person to find contribution data for'
 __fish_brew_complete_arg 'contributions' -l verbose -d 'Make some output more verbose'
diff --git a/completions/zsh/_brew b/completions/zsh/_brew
index 8e5fb74f7e..f0f3ebb161 100644
--- a/completions/zsh/_brew
+++ b/completions/zsh/_brew
@@ -671,7 +671,7 @@ _brew_contributions() {
     '--from[Date (ISO-8601 format) to start searching contributions]' \
     '--help[Show this message]' \
     '--quiet[Make some output more quiet]' \
-    '--repositories[Specify a comma-separated (no spaces) list of repositories to search. Supported repositories: `brew`, `core`, `cask`, `aliases`, `autoupdate`, `bundle`, `command-not-found`, `test-bot`, `services`, `cask-drivers`, `cask-fonts` and `cask-versions`. Omitting this flag, or specifying `--repositories=all`, searches all repositories. Use `--repositories=primary` to search only the main repositories: brew,core,cask]' \
+    '--repositories[Specify a comma-separated (no spaces) list of repositories to search. Supported repositories: `brew`, `core`, `cask`, `aliases`, `autoupdate`, `bundle`, `command-not-found`, `test-bot`, `services`, `cask-drivers`, `cask-fonts`, and `cask-versions`. Omitting this flag, or specifying `--repositories=all`, searches all repositories. Use `--repositories=primary` to search only the main repositories: brew,core,cask]' \
     '--to[Date (ISO-8601 format) to stop searching contributions]' \
     '--user[A GitHub username or email address of a specific person to find contribution data for]' \
     '--verbose[Make some output more verbose]'