diff --git a/Doc/lib/libmarshal.tex b/Doc/lib/libmarshal.tex
index a30dd1e..75f929a 100644
--- a/Doc/lib/libmarshal.tex
+++ b/Doc/lib/libmarshal.tex
@@ -1,5 +1,5 @@
 \section{\module{marshal} ---
-         Python object serialization (with different constraints).}
+         Alternate Python object serialization}
 \declaremodule{builtin}{marshal}
 
 \modulesynopsis{Convert Python objects to streams of bytes and back