diff --git a/backend/ee-repo-ref.txt b/backend/ee-repo-ref.txt
index fb77c1b61f..08db369c9f 100644
--- a/backend/ee-repo-ref.txt
+++ b/backend/ee-repo-ref.txt
@@ -1 +1 @@
-4488cd7d3c31d6ebc6d06d5cab06daac16362ec5
\ No newline at end of file
+17bb4b0452bf0aedbfc3df0c352f6f680027030e
\ No newline at end of file
diff --git a/backend/src/main.rs b/backend/src/main.rs
index 02b1dcea65..c5d150ab14 100644
--- a/backend/src/main.rs
+++ b/backend/src/main.rs
@@ -577,7 +577,7 @@ fn print_help() {
         "  PORT = {}                              HTTP port (server/indexer/MCP modes)",
         DEFAULT_PORT
     );
-    println!("  INDEXER_ADVERTISED_URL = http://host:port  Base URL other instances forward search requests to (indexer mode); defaults to http://$HOSTNAME:$PORT");
+    println!("  INDEXER_ADVERTISED_URL = http://host:port  Base URL other instances forward search requests to (indexer mode); defaults to http://$HOSTNAME: plus PORT, BACKEND_PORT, or the default above");
     println!(
         "  SERVER_BIND_ADDR = <mode dependent>    IP to bind to (server: {}, worker: {})",
         DEFAULT_SERVER_BIND_ADDR, DEFAULT_WORKER_BIND_ADDR