let the term be linked

diff --git a/Doc/library/abc.rst b/Doc/library/abc.rst
index 9cdb5b32306ee244c128f797b47258733d763394..8700fafe08ac3093f5fa07649baeb2d1ac6fb720 100644 (file)
--- a/Doc/library/abc.rst
+++ b/Doc/library/abc.rst
@@ -9,8 +9,8 @@
 
 .. versionadded:: 2.6
 
-This module provides the infrastructure for defining :term:`abstract base
-classes` (ABCs) in Python, as outlined in :pep:`3119`; see the PEP for why this
+This module provides the infrastructure for defining an :term:`abstract base
+class` (ABCs) in Python, as outlined in :pep:`3119`; see the PEP for why this
 was added to Python. (See also :pep:`3141` and the :mod:`numbers` module
 regarding a type hierarchy for numbers based on ABCs.)