[gimp/icons-wip] icons: fix typo

[Klaus Staedtler <klausstaedtler src gnome org>]

commit 295c0b6580c6335d33910cac637581fdcec7a209
Author: klausstaedtler <staedtler-przyborski web de>
Date:   Sat Jun 4 15:26:26 2016 +0200

    icons: fix typo

 app/dialogs/preferences-dialog.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/app/dialogs/preferences-dialog.c b/app/dialogs/preferences-dialog.c
index 8560ab8..dbff258 100644
--- a/app/dialogs/preferences-dialog.c
+++ b/app/dialogs/preferences-dialog.c
@@ -2357,7 +2357,7 @@ prefs_dialog_new (Gimp       *gimp,
   /*  Image Windows / Appearance  */
   /********************************/
   vbox = gimp_prefs_box_add_page (GIMP_PREFS_BOX (prefs_box),
-                                  "gimp-prefs-image-windows-appearence",
+                                  "gimp-prefs-image-windows-appearance",
                                   _("Image Window Appearance"),
                                   _("Appearance"),
                                   GIMP_HELP_PREFS_IMAGE_WINDOW_APPEARANCE,