diff --git a/lib/time/README b/lib/time/README
index aab4daa7e2d..edb8dccd266 100644
--- a/lib/time/README
+++ b/lib/time/README
@@ -4,7 +4,7 @@ The IANA asserts that the database is in the public domain.
 
 For more information, see
 https://www.iana.org/time-zones
-ftp://ftp.iana.org/tz/code/tz-link.htm
+ftp://ftp.iana.org/tz/code/tz-link.html
 http://tools.ietf.org/html/rfc6557
 
 To rebuild the archive, read and run update.bash.