update comment in overload.pl following 813720522f

diff --git a/overload.pl b/overload.pl
index a7dec35..aae9e6f 100644 (file)
--- a/overload.pl
+++ b/overload.pl
@@ -1,6 +1,6 @@
 #!/usr/bin/perl -w
 #
-# Unconditionally regenerate:
+# Regenerate (overwriting only if changed):
 #
 #    overload.h
 #    overload.c