Update doc/release-notes/6.10-release-notes.md

Co-authored-by: landreev <leonid@hmdc.harvard.edu>

Author: pdurbin

doc/release-notes/6.10-release-notes.md

@@ -497,6 +497,7 @@ We also recommend you ensure you followed all update instructions from the past
     This example is for systemd:
 
    `sudo vi /usr/lib/systemd/system/payara.service`
+   `sudo systemctl daemon-reload`
 
    See also https://guides.dataverse.org/en/6.10/installation/prerequisites.html#launching-payara-on-system-boot