Clean up a minor bit of wording.
diff --git a/Doc/library/importlib.rst b/Doc/library/importlib.rst
index 6dd8528..87dbddf 100644
--- a/Doc/library/importlib.rst
+++ b/Doc/library/importlib.rst
@@ -229,8 +229,8 @@
.. 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.
- :exc:`ImportError` if the module cannot be found.
+ module. Should return :keyword:`None` if there is no source code or
+ raise :exc:`ImportError` if the module cannot be found.
.. method:: get_filename(fullname)