API: Fix rst syntax

doc/python_api/rst/info_overview.rst

@@ -19,7 +19,7 @@ This is a typical Python environment so tutorials on how to write Python scripts
 will work running the scripts in Blender too.
 Blender provides the :mod:`bpy` module to the Python interpreter.
 This module can be imported in a script and gives access to Blender data, classes, and functions.
-Scripts that deal with Blender data will need to import this module. 
+Scripts that deal with Blender data will need to import this module.
 
 Here is a simple example of moving a vertex of the object named **Cube**:
 
@@ -80,7 +80,7 @@ To run as modules:
 
 
 Add-ons
-------
+-------
 
 Some of Blenders functionality is best kept optional,
 alongside scripts loaded at startup we have add-ons which are kept in their own directory ``scripts/addons``,
@@ -213,7 +213,7 @@ A simple Blender/Python module can look like this:
        bpy.utils.register_class(SimpleOperator)
 
    def unregister():
-       bpy.utils.unregister_class(SimpleOperator)    
+       bpy.utils.unregister_class(SimpleOperator)
 
    if __name__ == "__main__":
        register()
@@ -327,7 +327,7 @@ Say you want to store material settings for a custom engine.
 .. note::
 
    *The class must be registered before being used in a property, failing to do so will raise an error:*
-   
+
    ``ValueError: bpy_struct "Material" registration error: my_custom_props could not register``
 
 
@@ -429,4 +429,3 @@ Calling these operators:
    >>> bpy.ops.object.operator_2()
    Hello World OBJECT_OT_operator_2
    {'FINISHED'}
-