Update building_block_commands.md

docs/bot_tutorial/building_block_commands.md

@@ -67,7 +67,7 @@ def on_add_command(self, event, args):
   event.msg.reply('{}'.format(args.a + args.b)
 ```
 
-All combined commands in 1 large codeblock:
+These are all the commands we created in this tutorial:
 ```py
 class myPlugin(Plugin):
   @Plugin.command('ping')