Doc: Fix codeblock broken sphinx

doc/source/classes/class_limbostate.rst

@@ -273,6 +273,7 @@ Called during the update. Implement your state's behavior with this method.
 Registers a ``handler`` to be called when ``event`` is dispatched. The handler function should have the following signature:
 
 ::
+
     func my_event_handler(cargo=null) -> void:
 
 Cargo is an optional parameter that can be passed to the handler. See also :ref:`dispatch<class_LimboState_method_dispatch>`.

doc_classes/LimboState.xml

@@ -42,7 +42,9 @@
 			<param index="1" name="handler" type="Callable" />
 			<description>
 				Registers a [param handler] to be called when [param event] is dispatched. The handler function should have the following signature:
-				[codeblock]func my_event_handler(cargo=null) -> void:[/codeblock]
+				[codeblock]
+				func my_event_handler(cargo=null) -> void:
+				[/codeblock]
 				Cargo is an optional parameter that can be passed to the handler. See also [method dispatch].
 			</description>
 		</method>