diff --git a/op-node/flags/flags.go b/op-node/flags/flags.go
index d7b8ece67a1..e032e14c439 100644
--- a/op-node/flags/flags.go
+++ b/op-node/flags/flags.go
@@ -171,7 +171,7 @@ var (
 	L1CacheSize = &cli.UintFlag{
 		Name: "l1.cache-size",
 		Usage: "Cache size for blocks, receipts and transactions. " +
-			"If this flag is set to 0, 2/3 of the sequencing window size is used (usually 2400). " +
+			"If this flag is set to 0, 3/2 of the sequencing window size is used (usually 2400). " +
 			"The default value of 900 (~3h of L1 blocks) is good for (high-throughput) networks that see frequent safe head increments. " +
 			"On (low-throughput) networks with infrequent safe head increments, it is recommended to set this value to 0, " +
 			"or a value that well covers the typical span between safe head increments. " +