diff --git a/node/src/main/resources/application.conf b/node/src/main/resources/application.conf
index cdf818b410..258c0c52bd 100644
--- a/node/src/main/resources/application.conf
+++ b/node/src/main/resources/application.conf
@@ -25,7 +25,18 @@ waves {
     max-rollback-depth = 2000
     remember-blocks = 3h
 
-    # Delete old entries in this interval before safe rollback height
+    # Delete old history entries (Data, WAVES and Asset balances) in this interval before a safe rollback height.
+    # Affects:
+    #   REST API:
+    #     GET  /addresses/balance/$addr/$confirmations - confirmations should be <= 1000 to get a guaranteed result.
+    #     GET  /addresses/balance
+    #     POST /addresses/balance
+    #     GET  /assets/$asset/distribution/$height/limit/$limit
+    #     GET  /debug/balances/history/$addr
+    #     GET  /debug/stateWaves/$height
+    #   Explorer tool:
+    #     A    WAVES balance history for address.
+    #     AA   Asset balance history for address.
     cleanup-interval = 1000
 
     use-bloom-filter = false