README.md in gitlab-4.16.1 vs README.md in gitlab-4.17.0

@@ -25,10 +25,10 @@
 ```ruby
 gem 'gitlab'
 # gem 'gitlab', github: 'NARKOZ/gitlab'
 ```
 
-Mac OS users can install using Homebrew:
+Mac OS users can install using Homebrew (may not be the latest version):
 
 ```sh
 brew install gitlab-gem
 ```