mention the zlib crc32/adler32 changes
diff --git a/Misc/NEWS b/Misc/NEWS
index 6c38150..65643bf 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -27,6 +27,8 @@
   system doesn't support CODESET and LANG isn't set or doesn't
   allow deduction of an encoding.
 
+- Issue #1202: zlib.crc32 and zlib.adler32 now return an unsigned value.
+
 
 What's New in Python 3.0a3?
 ===========================