diff --git a/manifest.json b/manifest.json
index 0e1eac1..8284b80 100644
--- a/manifest.json
+++ b/manifest.json
@@ -39,7 +39,10 @@
             },
             {
                 "name": "admin",
-                "type": "user"
+                "type": "user",
+                "help": {
+                    "en": "Admin username minimum length is 5.",
+                }
             },
             {
                 "name": "password",
diff --git a/scripts/install b/scripts/install
index 61bd125..ae5a408 100644
--- a/scripts/install
+++ b/scripts/install
@@ -38,9 +38,9 @@ app=$YNH_APP_INSTANCE_NAME
 #=================================================
 ynh_script_progression --message="Validating installation parameters..."
 
-if [[ ${#admin} < 5 ]]; then
-    ynh_die --message="Admin username minimum length is 5"
-fi
+#if [[ ${#admin} < 5 ]]; then
+#    ynh_die --message="Admin username minimum length is 5"
+#fi
 
 # Register (book) web path
 ynh_webpath_register --app=$app --domain=$domain --path_url=$path_url