Cut-&-paste-o noted by Wolfgang Teschner: decompressobj() returns
*DE*compression objects, not compression objects!
diff --git a/Doc/lib/libzlib.tex b/Doc/lib/libzlib.tex
index 1da7f78..2c99fb4 100644
--- a/Doc/lib/libzlib.tex
+++ b/Doc/lib/libzlib.tex
@@ -87,7 +87,7 @@
\end{funcdesc}
\begin{funcdesc}{decompressobj}{\optional{wbits}}
- Returns a compression object, to be used for decompressing data
+ Returns a decompression object, to be used for decompressing data
streams that won't fit into memory at once. The \var{wbits}
parameter controls the size of the window buffer.
\end{funcdesc}