Add :term:s for iterator.
diff --git a/Doc/library/autogil.rst b/Doc/library/autogil.rst
index 93f0d04..7625be6 100644
--- a/Doc/library/autogil.rst
+++ b/Doc/library/autogil.rst
@@ -9,8 +9,8 @@
 
 
 The :mod:`autoGIL` module provides a function :func:`installAutoGIL` that
-automatically locks and unlocks Python's Global Interpreter Lock when running an
-event loop.
+automatically locks and unlocks Python's :term:`Global Interpreter Lock` when
+running an event loop.
 
 
 .. exception:: AutoGILError