diff --git a/lib/ChangeLog b/lib/ChangeLog
index 856a54758..b6e781f84 100644
--- a/lib/ChangeLog
+++ b/lib/ChangeLog
@@ -1,5 +1,7 @@
 2002-11-21  Jim Meyering  <jim@meyering.net>
 
+	* sig2str.c (str2signum): Use unsigned, not size_t, for type of index.
+
 	* quotearg.c: Use `"'s when including quotearg.h and xalloc.h,
 	not the `<...>' notation.
 	Include <errno.h> and declare errno if necessary.