Remove "," in object_class.rst, add "code" to code_style_guidelines.rst

Author: russellsanborn

contributing/development/code_style_guidelines.rst

@@ -35,7 +35,7 @@ fine. If you plan to contribute regularly, however, we strongly advise that you
 set up clang-format locally to check and automatically fix all your commits.
 
 .. warning:: Godot's code style should *not* be applied to third-party code,
-             i.e. that is included in Godot's source tree, but was not written
+             i.e. code that is included in Godot's source tree, but was not written
              specifically for our project. Such code usually comes from
              different upstream projects with their own style guides (or lack
              thereof), and don't want to introduce differences that would make

contributing/development/core_and_modules/object_class.rst

@@ -63,7 +63,7 @@ Object-derived classes can override the static function
 ``static void _bind_methods()``. When one class is registered, this
 static function is called to register all the object methods,
 properties, constants, etc. It's only called once. If an Object derived
-class is instanced, but has not been registered, it will be registered as
+class is instanced but has not been registered, it will be registered as
 virtual automatically.
 
 Inside ``_bind_methods``, there are a couple of things that can be done.