Small changes

plugins/redis-cli/README.md

 # Redis-CLI
 
-This plugin adds [redis-cli](https://redis.io/topics/rediscli) completion, based off homebrew completion
+This plugin adds [redis-cli](https://redis.io/topics/rediscli) completion, based off of Homebrew completion.
 
 To use it, add `redis-cli` to the plugins array in your zshrc file:
 
 ```zsh
 plugins=(... redis-cli)
 ```
+
 ## Requirements
 
 In order to make this work, you will need to have redis installed.