Fixes, improvements

docs/features/commands.rst

@@ -9,6 +9,7 @@ In order to create a command, you have to add a CommandService to the client.
 CommandService takes a CommandServiceConfig object as its parameter. Inside CommandServiceConfig you can setup your CommandChar(s) and HelpMode.
 
 Example (CommandService creation)
+----------------
 
 .. literalinclude:: /samples/command_service_creation.cs
    :language:csharp6
@@ -23,7 +24,7 @@ Example (Command creation)
    :language: csharp6
    :tab-width: 2
    
-If you have, or plan to have multiple commands that could be fit in a certain "group", you should use Command Groups. Command Groups can have same prefix for a group of commands, followed by a prefix for a certain command.
+If you have, or plan to have multiple commands that could be fit in a certain "group", you should use Command Groups. Command Groups can have same prefix for a group of commands, followed by a prefix for a certain command. In the following example, we will move our 'greet' command to the group called "do", and add another command 'bye'.
    
 Example (CommandGroup creation)
 ----------------