diff --git a/Hidden-Figures.md b/Hidden-Figures.md
index a208a8b..593ce1a 100644
--- a/Hidden-Figures.md
+++ b/Hidden-Figures.md
@@ -96,10 +96,11 @@ In versions of Gravity Sync prior to 3.1, at execution, Gravity Sync would check
 
 ### `BACKUP_RETAIN`
 
-The `./gravity-sync.sh backup` function will retain a defined number of days worth of `gravity.db` and `custom.list` backups.
+The `./gravity-sync.sh` function will automatically backup and then delete any backups older than the defined number of days worth of `gravity.db` and `custom.list` backups. Setting this to `0` will cause all backups to be purged after the next successful sync job. 
 
 - Default setting in Gravity Sync is `3`, adjust as desired.
 - This variable can be set via `./gravity-sync.sh config` function.
+- As of version 3.4.6, running a manual `./gravity-sync.sh backup` will no longer remove old backup jobs.
 
 ### `BACKUP_TIMEOUT`