Add :term: for generators.
diff --git a/Doc/library/tokenize.rst b/Doc/library/tokenize.rst
index 61f2c4d..9a2a11a 100644
--- a/Doc/library/tokenize.rst
+++ b/Doc/library/tokenize.rst
@@ -13,7 +13,7 @@
 well, making it useful for implementing "pretty-printers," including colorizers
 for on-screen displays.
 
-The primary entry point is a generator:
+The primary entry point is a :term:`generator`:
 
 
 .. function:: generate_tokens(readline)