diff --git a/Serverless-for-iran/serverless_with_mitm_for_iran.jsonc b/Serverless-for-iran/serverless_with_mitm_for_iran.jsonc
index af783c9..8bda468 100644
--- a/Serverless-for-iran/serverless_with_mitm_for_iran.jsonc
+++ b/Serverless-for-iran/serverless_with_mitm_for_iran.jsonc
@@ -261,7 +261,7 @@
       "settings": {
         "fragment": {
           "packets": "1-3",
-          "length": "942",
+          "length": "942",  // decreasing this value reduces latency but increases the chance of being detected by the GFW
           "interval": "1"
         }
       },