diff --git a/.env.example b/.env.example
index ba82960..e12a9ee 100644
--- a/.env.example
+++ b/.env.example
@@ -68,7 +68,8 @@ ACT_RUNNER_VERSION=0.3.0          # act_runner version for all runners (e.g. 0.3
 # GITEA — PRIMARY INSTANCE (Unraid)
 # -----------------------------------------------------------------------------
 GITEA_DOMAIN=                     # Public domain/subdomain pointing to Unraid (e.g. git.yourdomain.com)
-GITEA_INTERNAL_URL=               # Internal URL (e.g. http://UNRAID_GITEA_IP:3000) used by scripts
+# AUTO-DERIVED at runtime (do not set manually):
+#   GITEA_INTERNAL_URL=http://${UNRAID_GITEA_IP}:3000
 # AUTO-POPULATED by phase1 scripts:
 GITEA_ADMIN_TOKEN=                # API token for primary instance — do not fill manually
 
@@ -76,7 +77,8 @@ GITEA_ADMIN_TOKEN=                # API token for primary instance — do not fi
 # -----------------------------------------------------------------------------
 # GITEA — BACKUP INSTANCE (Fedora)
 # -----------------------------------------------------------------------------
-GITEA_BACKUP_INTERNAL_URL=        # Internal URL of Fedora Gitea (e.g. http://FEDORA_GITEA_IP:3000)
+# AUTO-DERIVED at runtime (do not set manually):
+#   GITEA_BACKUP_INTERNAL_URL=http://${FEDORA_GITEA_IP}:3000
 GITEA_BACKUP_MIRROR_INTERVAL=8h   # How often Fedora pulls from Unraid (e.g. 8h, 24h)
 BACKUP_STORAGE_PATH=              # Absolute path on Fedora for backup archives (e.g. /mnt/nvme/gitea-backups)
 BACKUP_RETENTION_COUNT=5          # Number of backup archives to keep (older ones are pruned)