diff --git a/actioncable/README.md b/actioncable/README.md
index 13b79d15ca..4262046482 100644
--- a/actioncable/README.md
+++ b/actioncable/README.md
@@ -202,7 +202,7 @@ end
 ```
 
 ```coffeescript
-# Client-side which assumes you've already requested the right to send web notifications
+# Client-side, which assumes you've already requested the right to send web notifications
 App.cable.subscriptions.create "WebNotificationsChannel",
   received: (data) ->
     new Notification data["title"], body: data["body"]
@@ -236,7 +236,7 @@ end
 Pass an object as the first argument to `subscriptions.create`, and that object will become your params hash in your cable channel. The keyword `channel` is required.
 
 ```coffeescript
-# Client-side which assumes you've already requested the right to send web notifications
+# Client-side, which assumes you've already requested the right to send web notifications
 App.cable.subscriptions.create { channel: "ChatChannel", room: "Best Room" },
   received: (data) ->
     @appendLine(data)
@@ -279,7 +279,7 @@ end
 ```
 
 ```coffeescript
-# Client-side which assumes you've already requested the right to send web notifications
+# Client-side, which assumes you've already requested the right to send web notifications
 App.chatChannel = App.cable.subscriptions.create { channel: "ChatChannel", room: "Best Room" },
   received: (data) ->
     # data => { sent_by: "Paul", body: "This is a cool chat app." }
diff --git a/actioncable/lib/action_cable/server/base.rb b/actioncable/lib/action_cable/server/base.rb
index 5f44bdd1c3..740e4b301e 100644
--- a/actioncable/lib/action_cable/server/base.rb
+++ b/actioncable/lib/action_cable/server/base.rb
@@ -42,7 +42,7 @@ module ActionCable
         @worker_pool ||= ActionCable::Server::Worker.pool(size: config.worker_pool_size)
       end
 
-      # Requires and returns an hash of all the channel class constants keyed by name.
+      # Requires and returns a hash of all the channel class constants keyed by name.
       def channel_classes
         @channel_classes ||= begin
           config.channel_paths.each { |channel_path| require channel_path }
diff --git a/actioncable/lib/action_cable/server/broadcasting.rb b/actioncable/lib/action_cable/server/broadcasting.rb
index 6e0fbae387..c759239a0e 100644
--- a/actioncable/lib/action_cable/server/broadcasting.rb
+++ b/actioncable/lib/action_cable/server/broadcasting.rb
@@ -15,7 +15,7 @@ module ActionCable
     #    ActionCable.server.broadcast \
     #      "web_notifications_1", { title: 'New things!', body: 'All shit fit for print' }
     #
-    #    # Client-side coffescript which assumes you've already requested the right to send web notifications
+    #    # Client-side coffescript, which assumes you've already requested the right to send web notifications
     #    App.cable.subscriptions.create "WebNotificationsChannel",
     #      received: (data) ->
     #        new Notification data['title'], body: data['body']