Make configuration of addChannelButton more explicit (#3475)

Author: peholmst

articles/getting-started/tutorial/flow/second-view.adoc

@@ -138,7 +138,7 @@ private void addChannel() {
 <3> The easiest way to get the new channel to display in the list is to refresh the entire list. This function does that.
 <4> This re-enables the button so that it's ready for another channel to be added (because you set its [propertyname]`disableOnClick` property to `true` earlier).
 
-Now that the method for adding a new channel is ready, you'll need to call it when the [methodname]`addChannelButton()` (i.e., the [guibutton]*Add New Channel* button) is clicked by the user. You'd do that like this:
+Now that the method for adding a new channel is ready, you'll need to call it when the [fieldname]`addChannelButton` (i.e., the [guibutton]*Add New Channel* button) is clicked by the user. Locate the [classname]`LobbyView` constructor and the line where [fieldname]`addChannelButton` is created. Change the line like this:
 
 [source,java]
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