diff --git a/les/costtracker.go b/les/costtracker.go
index ffb628d79d..69531937ef 100644
--- a/les/costtracker.go
+++ b/les/costtracker.go
@@ -75,7 +75,7 @@ var (
 		SendTxV2Msg:            {0, 100},
 		GetTxStatusMsg:         {0, 100},
 	}
-	minBufLimit = uint64(50000000 * maxCostFactor)          // minimum buffer limit allowed for a client
+	minBufLimit = uint64(50000000 * maxCostFactor)  // minimum buffer limit allowed for a client
 	minCapacity = (minBufLimit-1)/bufLimitRatio + 1 // minimum capacity allowed for a client
 )