Fix URL left over from cut'n'paste start

library/arangodb

@@ -2,4 +2,4 @@
 # maintainer: Wilfried Goesgens <[email protected]> (@dothebart)
 
 2.5.3: git://github.com/arangodb/arangodb-docker@a3e07b15d585b464257449e4a5d9c8f4dc33ab6e jessie/2.5.3
-latest: git://github.com/stuartpb/rethinkdb-dockerfiles@a3e07b15d585b464257449e4a5d9c8f4dc33ab6e jessie/2.5.3
+latest: git://github.com/arangodb/arangodb-docker@a3e07b15d585b464257449e4a5d9c8f4dc33ab6e jessie/2.5.3