Documentation updates

Co-authored-by: Peter Bierma <zintensitydev@gmail.com>

Author: WardBrian

Doc/library/ctypes.rst

@@ -708,9 +708,7 @@ Specifying function pointers using type annotations
 
       @wrap_dll_function(dll_to_wrap)
       def function_ptr_name(arg_name: ctypes_type, ...) -> ctypes_type:
-         """Optional docstring."""
-         # There should be no body
-         pass
+         """Optional docstring. There should be no function body."""
 
    The body of the decorated function is ignored, and any parameters that are
    missing type annotations are skipped. The names of the parameters are ignored