Add a bit more help to readme

eapache · eapache · commit a83ccb6225a5 · 2016-06-25T14:13:01.000-04:00
Fixes #6.
diff --git a/readme.md b/readme.md
@@ -72,3 +72,6 @@ au Syntax * RainbowParenthesesLoadRound
 au Syntax * RainbowParenthesesLoadSquare
 au Syntax * RainbowParenthesesLoadBraces
 ```
+
+Or just use `RainbowParenthesesToggleAll`. You may need to put `syntax on` in
+your `.vimrc` *before* you enable rainbow parentheses.
