diff --git a/Hidden-Figures.md b/Hidden-Figures.md
index 9c75369..50fdb47 100644
--- a/Hidden-Figures.md
+++ b/Hidden-Figures.md
@@ -101,6 +101,12 @@ The `./gravity-sync.sh backup` function will retain a defined number of days wor
 - Default setting in Gravity Sync is `3`, adjust as desired.
 - This variable can be set via `./gravity-sync.sh config` function.
 
+### `BACKUP_TIMEOUT`
+
+Allow users to adjust the time the script will wait until marking the SQLITE3 backup operation as failed. This was previously hard coded to 15 and then raised to 60, but raising it even higher has been seen to mitigate against failed replication jobs on slower SD Cards or older Raspberry Pi's where the database backup does not complete, yet still replicates.
+
+- Default setting in Gravity Sync is `60`, adjust as desired.
+
 ### `SSH_PORT`
 
 Gravity Sync is configured by default to use the standard SSH port (22) but if you need to change this, such as if you're traversing a NAT/firewall for a multi-site deployment, to use a non-standard port.