diff --git a/Doc/library/collections.rst b/Doc/library/collections.rst
index 1849e4c..d29bc17 100644
--- a/Doc/library/collections.rst
+++ b/Doc/library/collections.rst
@@ -205,14 +205,14 @@
     * `Bag class <http://www.gnu.org/software/smalltalk/manual-base/html_node/Bag.html>`_
       in Smalltalk.
 
-    * Wikipedia entry for `Multisets <http://en.wikipedia.org/wiki/Multiset>`_\.
+    * Wikipedia entry for `Multisets <http://en.wikipedia.org/wiki/Multiset>`_.
 
     * `C++ multisets <http://www.demo2s.com/Tutorial/Cpp/0380__set-multiset/Catalog0380__set-multiset.htm>`_
       tutorial with examples.
 
     * For mathematical operations on multisets and their use cases, see
       *Knuth, Donald. The Art of Computer Programming Volume II,
-      Section 4.6.3, Exercise 19*\.
+      Section 4.6.3, Exercise 19*.
 
     * To enumerate all distinct multisets of a given size over a given set of
       elements, see :func:`itertools.combinations_with_replacement`.