minor comment

docs/coding-standard.md

@@ -80,7 +80,7 @@ class Memory extends Adapter
 
 ### Methods
 - Method names must be declared in camelCase.
-- Methods must be sorted alphabetically and based on their visibility. The order is `public`, `protected`, and `private`. `__construct` if defined must be at the top of the class.
+- Methods must be sorted alphabetically and based on their visibility. The order is `public`, `protected`, and `private`. `__construct` if defined must be at the top of the class, as well as any other PHP magic methods (also sorted alphabetically).
 - Method names must not be prefixed with underscore `_`.
 - All methods must have a return type. If the method does not return anything it should be marked `void`
 - Opening braces for methods must go on the next line, and closing braces must go on the next line after the body.