Move note about changing approval categories to the correct section

In the access control documentation a note that gives additional
information about changing approval categories is missplaced at the
very end of the document. Move it back to the section that explains how
to configure custom approval categories.

Change-Id: I53dcad54211d5729a64dbd69ab9ab5186f2aa68e
Signed-off-by: Edwin Kempin <edwin.kempin@sap.com>
diff --git a/Documentation/access-control.txt b/Documentation/access-control.txt
index 013c3eb..305e8ea 100644
--- a/Documentation/access-control.txt
+++ b/Documentation/access-control.txt
@@ -780,6 +780,14 @@
 and `-1 Do not have copyright` will block submit, while `+1 Copyright
 clear` is required to enable submit.
 
+[[restart_changes]]
+[NOTE]
+Restart the Gerrit web application and reload all browsers after
+making any database changes to approval categories.  Browsers are
+sent the list of known categories when they first visit the site,
+and don't notice changes until the page is closed and opened again,
+or is reloaded.
+
 
 Examples of typical roles in a project
 --------------------------------------
@@ -1143,14 +1151,6 @@
 link:cmd-show-queue.html[look at the Gerrit task queue via ssh].
 
 
-[[restart_changes]]
-[NOTE]
-Restart the Gerrit web application and reload all browsers after
-making any database changes to approval categories.  Browsers are
-sent the list of known categories when they first visit the site,
-and don't notice changes until the page is closed and opened again,
-or is reloaded.
-
 GERRIT
 ------
 Part of link:index.html[Gerrit Code Review]