diff --git a/docs/operations/apps/mirrormanagement.md b/docs/operations/apps/mirrormanagement.md
index f787942..127f698 100644
--- a/docs/operations/apps/mirrormanagement.md
+++ b/docs/operations/apps/mirrormanagement.md
@@ -13,6 +13,13 @@ When we get a new request for CentOS Stream 9 mirror, the process goes like this
     * verify that provided URLs (http/https and - optional - rsync) are working
     * follow the link to that mirror in mirrormanager (needs `sysadmin-web` FAS group membership)
     * add the `CentOS` category and then add the URLs
+    * In `mirmon.rdu2.centos.org`, update the file `/etc/mirmon/stream-mirror.list` with the IPs to be add in ACL (one IP per line), like the following pattern:
+    ```
+    # <issue number> <HTTP url>
+    <IP>
+    <IP>
+    <IP>
+    ```
     * update ticket with info and close
 
 ## CentOS Linux 7 and 8-stream