Wrap service command parameters in single quotes
Wrap service command parameters in single quotes

Should resolve issues with multi-word arguments, eg:

> Or, if you don't want/need a background service you can just run:
  /opt/homebrew/opt/nginx/bin/nginx -g daemon off;

fails, but 

> Or, if you don't want/need a background service you can just run:
  '/opt/homebrew/opt/nginx/bin/nginx' '-g' 'daemon off;'

succeeds
nandub/brew,JCount/brew,Homebrew/brew,MikeMcQuaid/brew,JCount/brew,nandub/brew,Homebrew/brew,MikeMcQuaid/brew,JCount/brew,Homebrew/brew,MikeMcQuaid/brew,nandub/brew,EricFromCanada/brew,EricFromCanada/brew,EricFromCanada/brew,JCount/brew,nandub/brew,Homebrew/brew,EricFromCanada/brew,MikeMcQuaid/brew