comment! -> comment

app/controllers/comments_controller.rb

@@ -2,7 +2,7 @@ class CommentsController < ApplicationController
   include BubbleScoped, BucketScoped
 
   def create
-    @bubble.comment! params.require(:comment).expect(:body)
+    @bubble.comment params.require(:comment).expect(:body)
     redirect_to @bubble
   end
 end

app/models/bubble/commentable.rb

@@ -7,7 +7,7 @@ module Bubble::Commentable
     scope :ordered_by_comments, -> { left_joins(:comments).group(:id).order("COUNT(comments.id) DESC") }
   end
 
-  def comment!(body)
+  def comment(body)
     thread_entries.create! threadable: Comment.new(body: body, bubble: self)
   end
 end