diff --git a/roadmap/prod-env/03-infra-stack-changes.md b/roadmap/prod-env/03-infra-stack-changes.md
index d288ee2..d3b442a 100644
--- a/roadmap/prod-env/03-infra-stack-changes.md
+++ b/roadmap/prod-env/03-infra-stack-changes.md
@@ -111,9 +111,14 @@ Keep the following APISIX plugin limits in `init/apisix-core/init.sh` for `test/
 | Auth routes `/v1/auth/*`, `/v1/users/*` | `limit-count` | `count: 12`, `time_window: 60` per `remote_addr` |
 | Global rule | `limit-count` | `count: 60`, `time_window: 60` per `remote_addr` |
 
-Update the global rate limit block in `init/apisix-core/init.sh`:
+Update the global rate limit block in `init/apisix-core/init.sh`. Define threshold constants at the script header to ensure consistency and ease of updates:
 
 ```bash
+# Define at the top of init.sh
+GLOBAL_LIMIT_COUNT=60
+GLOBAL_LIMIT_WINDOW=60
+
+# ... later in the script ...
 if [[ "$PROFILE" != "dev" ]]; then
   if [[ "$PROFILE" == "prod" ]]; then
     RATE_POLICY="redis"
@@ -125,7 +130,7 @@ if [[ "$PROFILE" != "dev" ]]; then
 
   call_api "global rate limit" -X PUT "$APISIX_ADMIN_URL/global_rules/1" \
     -H "X-API-KEY: $API_KEY" -H "Content-Type: application/json" \
-    -d '{"plugins":{"limit-count":{"count":60,"time_window":60,"key_type":"var","key":"remote_addr","rejected_code":429,"policy":"'"$RATE_POLICY"'","allow_degradation":true'"$RATE_REDIS"'}}}'
+    -d '{"plugins":{"limit-count":{"count":'"$GLOBAL_LIMIT_COUNT"',"time_window":'"$GLOBAL_LIMIT_WINDOW"',"key_type":"var","key":"remote_addr","rejected_code":429,"policy":"'"$RATE_POLICY"'","allow_degradation":true'"$RATE_REDIS"'}}}'
 fi
 ```