minor: typo, errant typo

Author: Sam Kleinman

source/administration/backups.txt

@@ -41,7 +41,7 @@ database instance.
 The methods described in this document operate by copying the data
 file on the disk level. If your system does not provide functionality
 for this kind of backup, see the section on :ref:`using database dumps
-for backups <database-dumps>`" for more information.
+for backups <database-dumps>` for more information.
 
 Ensuring that the state captured by the backup is consistent and
 usable is the primary challenge of producing backups of database