diff --git a/hbd/server/config.py b/hbd/server/config.py
index 5d1d5cf..7bb3d2e 100644
--- a/hbd/server/config.py
+++ b/hbd/server/config.py
@@ -27,7 +27,7 @@ SERVER_DEFAULTS = {
 
     # Monitoring settings
     "interval": 20,             # Expected heartbeat interval (for server checks)
-    "grace": 2,                 # Grace multiplier (interval * grace = timeout)
+    "grace": 2,                 # Grace period (extra seconds before notifying after a missed heartbeat)
     "threshold_renotify_interval": 3600,  # Seconds between threshold re-notifications
 
     # User management