Spell-patch ('appearence' -> 'appearance') in the recently-added "The Bugzilla Extens...

diff --git a/docs/xml/customization.xml b/docs/xml/customization.xml
index 180021468a48690b0249ed749ea6a15a70815805..5b9e99deeee8a4648f478ce75bd9fa69a6f2786c 100644 (file)
--- a/docs/xml/customization.xml
+++ b/docs/xml/customization.xml
@@ -494,7 +494,7 @@
     <para>
       To use hooks to extend Bugzilla, first make sure there is
       a hook at the appropriate place within the source file or template you 
-      want to extend. The exact appearence of a hook depends on if the hook 
+      want to extend. The exact appearance of a hook depends on if the hook 
       is a code hook or a template hook. 
     </para>