Fix typo in binascii synopsis.
diff --git a/Doc/lib/libbinascii.tex b/Doc/lib/libbinascii.tex
index 8b72fd7..aedb696 100644
--- a/Doc/lib/libbinascii.tex
+++ b/Doc/lib/libbinascii.tex
@@ -1,8 +1,8 @@
\section{Built-in Module \module{binascii}}
\declaremodule{builtin}{binascii}
-\modulesynopsis{Tools for converting between binary and various ascii-encoded binary
-representation}
+\modulesynopsis{Tools for converting between binary and various
+ascii-encoded binary representations.}
The \module{binascii} module contains a number of methods to convert