Spelling patch: use the right spelling form for 'occurred'; patch by Vlad…

template/en/default/admin/groups/change.html.tmpl

@@ -28,7 +28,7 @@
   #         1 - remove_explicit_members
   #         2 - remove_explicit_members_regexp
   #         3 - no conversion, just save the changes
-  # changes: boolean int. Is 1 if changes occured.
+  # changes: boolean int. Is 1 if changes occurred.
   # gid: integer. The ID of the group.
   # name: the name of the product where removal is performed.
   # regexp: the regexp according to which the update is performed.

template/en/default/global/code-error.html.tmpl

@@ -124,7 +124,7 @@
     [% END %]
 
   [% ELSIF error == "extension_invalid" %]
-    An error occured processing hook [% name FILTER html %] in
+    An error occurred processing hook [% name FILTER html %] in
     extension [% extension FILTER html %].
 
   [% ELSIF error == "extern_id_conflict" %]
@@ -378,7 +378,7 @@
 
   [% ELSE %]
     [% title = "Internal error" %]
-    An internal error has occured, but [% terms.Bugzilla %] doesn't know
+    An internal error has occurred, but [% terms.Bugzilla %] doesn't know
     what <code>[% error FILTER html %]</code> means.
 
     If you are a [% terms.Bugzilla %] end-user seeing this message, please save