[#2292] Making tweaks per @wouterj and changing method name

Author: weaverryan

components/console/single_command_tool.rst

@@ -50,5 +50,5 @@ be used, without having to pass its name.
 
 .. note::
 
- If your command accepts one or more arguments, you may also want to override
- getDefinition() method.
+  If your command accepts one or more arguments, you may also want to override
+  the :method:`Symfony\\Component\\Console\\getDefaultInputDefinition` method.