(DOCSP-45717) Adds note about trailing slash.-v7.0-backport (597) (#612)

# Backport

This will backport the following commits from `master` to `v7.0`:
- [(DOCSP-45717) Adds note about trailing slash.
(#597)](10gen/docs-ops-manager#597)

<!--- Backport version: 9.6.2 -->

### Questions ?
Please refer to the [Backport tool
documentation](https://github.com/sorenlouv/backport)

Author: erabil-mdb

source/admin/backup/daemons-page.txt

@@ -19,9 +19,11 @@ page. Changes can take up to 5 minutes to take effect.
 
 Click :guilabel:`Pre-Configure New Daemon` at the bottom of the page if
 you want to add a daemon but do not want it to take new jobs. Type the
-``<machine>:<roothead path>`` in the text field above
-:guilabel:`Pre-Configure New Daemon`. Click the button to configure the
-new Backup Daemon.
+``<machine>:/<roothead path>/`` in the text field above
+:guilabel:`Pre-Configure New Daemon`. *You must include a slash at the end* (``/``) or 
+the Backup Daemon won't run and instead generates a Java exception error in the 
+Backup Daemon logs.
+Click the button to configure the new Backup Daemon.
 
 For each daemon, the page lists the server name, configuration,
 :opsmgr:`head </reference/glossary/#std-term-head-database>` space used, head space free, the number of