diff --git a/ABOUT-NLS b/ABOUT-NLS
index bf53b4ee2..9ae15eb59 100644
--- a/ABOUT-NLS
+++ b/ABOUT-NLS
@@ -156,7 +156,7 @@ people who like their own language and write it well, and who are also
 able to synergize with other translators speaking the same language.
 Each translation team has its own mailing list.  The up-to-date list of
 teams can be found at the Free Translation Project's homepage,
-`http://translationproject.org/', in the "Teams" area.
+`https://translationproject.org/', in the "Teams" area.
 
    If you'd like to volunteer to _work_ at translating messages, you
 should become a member of the translating team for your own language.