The version information here was checked good in 1999, not 199.  ;-)

Added "See also" reference to zlib home page, even though it's
mentioned in the text.
diff --git a/Doc/lib/libzlib.tex b/Doc/lib/libzlib.tex
index a13573f..d31af04 100644
--- a/Doc/lib/libzlib.tex
+++ b/Doc/lib/libzlib.tex
@@ -2,18 +2,18 @@
 % documentation is incorrect in some cases.
 
 \section{\module{zlib} ---
-         Compression library compatible with \program{gzip}}
+         Compression compatible with \program{gzip}}
 
 \declaremodule{builtin}{zlib}
 \modulesynopsis{Low-level interface to compression and decompression
-routines compatible with \program{gzip}.}
+                routines compatible with \program{gzip}.}
 
 
 For applications that require data compression, the functions in this
 module allow compression and decompression, using the zlib library.
 The zlib library has its own home page at
 \url{http://www.cdrom.com/pub/infozip/zlib/}.  Version 1.1.3 is the
-most recent version as of April 199; use a later version if one
+most recent version as of April 1999; use a later version if one
 is available.  There are known incompatibilities between the Python
 module and earlier versions of the zlib library.
 
@@ -125,7 +125,7 @@
 \end{methoddesc}
 
 \begin{seealso}
-\seemodule{gzip}{reading and writing \program{gzip}-format files}
+  \seemodule{gzip}{reading and writing \program{gzip}-format files}
+  \seetext{The zlib library home page is located at
+           \url{http://www.cdrom.com/pub/infozip/zlib/}.}
 \end{seealso}
-
-