Further markup fix.
diff --git a/Doc/lib/libxmlrpclib.tex b/Doc/lib/libxmlrpclib.tex
index 4fe7d9d..0d54a51 100644
--- a/Doc/lib/libxmlrpclib.tex
+++ b/Doc/lib/libxmlrpclib.tex
@@ -106,7 +106,7 @@
 
 \versionchanged[Instances of new-style classes can be passed in
 if they have an \var{__dict__} attribute and don't have a base class
-that is marshalled in a special way.]{2.6}
+that is marshalled in a special way]{2.6}
 \end{classdesc}