Last round of adapting style of documenting argument default values.
diff --git a/Doc/library/zlib.rst b/Doc/library/zlib.rst
index 030f706..4bd8019 100644
--- a/Doc/library/zlib.rst
+++ b/Doc/library/zlib.rst
@@ -1,10 +1,9 @@
-
 :mod:`zlib` --- Compression compatible with :program:`gzip`
 ===========================================================
 
 .. module:: zlib
-   :synopsis: Low-level interface to compression and decompression routines compatible with
-              gzip.
+   :synopsis: Low-level interface to compression and decompression routines
+              compatible with gzip.
 
 
 For applications that require data compression, the functions in this module