diff --git a/gitk b/gitk
index df3ba2ea99..dd80ab8f3b 100755
--- a/gitk
+++ b/gitk
@@ -12472,7 +12472,7 @@ if {[tk windowingsystem] eq "aqua"} {
 
 catch {
     # follow the XDG base directory specification by default. See
-    # http://standards.freedesktop.org/basedir-spec/basedir-spec-latest.html
+    # https://specifications.freedesktop.org/basedir-spec/basedir-spec-latest.html
     if {[info exists env(XDG_CONFIG_HOME)] && $env(XDG_CONFIG_HOME) ne ""} {
         # XDG_CONFIG_HOME environment variable is set
         set config_file [file join $env(XDG_CONFIG_HOME) git gitk]