diff --git a/locales/en.json b/locales/en.json
index 3949ce79..5b5813f7 100644
--- a/locales/en.json
+++ b/locales/en.json
@@ -900,7 +900,7 @@
     "seafile_manifest_arguments_install_domain": "Choose a domain for Seafile", 
     "seafile_manifest_arguments_install_path": "Choose a path for Seafile", 
     "seafile_manifest_arguments_install_public_site": "Is it a public site ? If you want to use a desktop client or the smartphone app, make Seafile public.", 
-    "seafile_manifest_arguments_install_server_name": "Choose a name", 
+    "seafile_manifest_arguments_install_server_name": "Choose a name (3 - 15 letters or digits)", 
     "seafile_manifest_description": "Open Source Cloud Storage", 
     "searx_manifest_arguments_install_domain": "Choose a domain for Searx", 
     "searx_manifest_arguments_install_is_public": "Is it a public Searx site ?",