New section header style.
Fix up a few synopses.
diff --git a/Doc/lib/libbase64.tex b/Doc/lib/libbase64.tex
index 2d34e1d..aa68c04 100644
--- a/Doc/lib/libbase64.tex
+++ b/Doc/lib/libbase64.tex
@@ -1,7 +1,9 @@
-\section{Standard Module \module{base64}}
+\section{\module{base64} ---
+ Encode and decode MIME base64 encoding.}
\declaremodule{standard}{base64}
-\modulesynopsis{Encode/decode binary files using the MIME base64 encoding.}
+\modulesynopsis{Encode and decode files using the MIME base64
+encoding.}
\indexii{base64}{encoding}
\index{MIME!base64 encoding}