minor typo

Author: puentesarrin

source/core/replication.txt

@@ -246,7 +246,7 @@ that might create rollbacks.
 
    In these situations you will need to manually intervene to either
    save data manually, or resync from a "current" member of the set by
-   deleting the content of the existing:setting:`dbpath` directory to
+   deleting the content of the existing :setting:`dbpath` directory to
    resume normal operation.
 
 For more information on failover, see: