Adding a nocorrect for the heroku command as it was getting triggered by heroku logs.

lib/correction.zsh

@@ -4,4 +4,5 @@ alias man='nocorrect man'
 alias mv='nocorrect mv'
 alias mysql='nocorrect mysql'
 alias mkdir='nocorrect mkdir'
-alias gist='nocorrect gist'
+alias gist='nocorrect gist'
+alias heroku='nocorrect heroku'