Wording clarification.

Doc/library/importlib.rst

@@ -229,8 +229,9 @@ are also provided to help in implementing the core ABCs.
     .. method:: source_path(fullname)
 
         An abstract method that returns the path to the source code for a
-        module. Should return :keyword:`None` if there is no source code or
-        raise :exc:`ImportError` if the module cannot be handled by the loader.
+        module. Should return :keyword:`None` if there is no source code.
+        Raises :exc:`ImportError` if the loader knows it cannot handle the
+        module.
 
     .. method:: get_filename(fullname)
 
@@ -282,8 +283,8 @@ are also provided to help in implementing the core ABCs.
         An abstract method which returns the path to the bytecode for the
         specified module, if it exists. It returns :keyword:`None`
         if no bytecode exists (yet).
-        Raises :exc:`ImportError` if the module cannot be handled by the
-        loader.
+        Raises :exc:`ImportError` if the loader knows it cannot handle the
+        module.
 
     .. method:: get_filename(fullname)