fixed typo

rdiff-backup/rdiff-backup.spec

@@ -25,7 +25,7 @@
 
 #   package information
 Name:         rdiff-backup
-Summary:      Demote Incremental Backup
+Summary:      Remote Incremental Backup
 URL:          http://www.stanford.edu/~bescoto/rdiff-backup/
 Vendor:       Ben Escoto 
 Packager:     The OpenPKG Project