update post-update.sh documentation

hooks/post-update.sh

@@ -12,9 +12,12 @@
 #  * curl
 #  * openssl
 #
-
+#  You control the script by editing post-update.conf
+#
 # ~~~ HERE BE DRAGONS ! ~~~ 
-source ./post-update.conf
+
+source ./hooks/post-update.conf
+
 
 TO_SUBMIT="["