diff --git a/src/frontend/flask_app/templates/admin/stations.html b/src/frontend/flask_app/templates/admin/stations.html
index b4994ec..be9e765 100644
--- a/src/frontend/flask_app/templates/admin/stations.html
+++ b/src/frontend/flask_app/templates/admin/stations.html
@@ -210,9 +210,9 @@
           <input type="text" x-model="form.vision_worker_url"
                  class="w-full px-3 py-2 rounded-lg border border-[var(--border-color)] bg-[var(--bg-card)]
                         text-sm font-mono text-[var(--text-primary)] focus:outline-none focus:ring-2 focus:ring-primary/30 focus:border-primary transition-colors"
-                 placeholder="http://10.0.0.7:8100"
+                 placeholder="host:8100"
                  maxlength="500">
-          <p class="mt-1 text-xs text-[var(--text-secondary)]">{{ _('Vuoto = worker centrale') }}</p>
+          <p class="mt-1 text-xs text-[var(--text-secondary)]">{{ _('Vuoto = worker centrale. Indirizzo completo, con http o https') }}</p>
         </div>
 
         <div>
diff --git a/src/frontend/flask_app/tests/test_admin_stations.py b/src/frontend/flask_app/tests/test_admin_stations.py
index e5383b9..022f1fd 100644
--- a/src/frontend/flask_app/tests/test_admin_stations.py
+++ b/src/frontend/flask_app/tests/test_admin_stations.py
@@ -185,7 +185,8 @@ def test_station_form_has_the_vision_worker_field(logged_in_client, mock_admin_a
     resp = logged_in_client.get("/admin/stations")
     assert resp.status_code == 200
     assert b"form.vision_worker_url" in resp.data
-    assert "Worker visione (URL)".encode() in resp.data
+    # etichetta in italiano o in inglese, secondo il catalogo compilato
+    assert b"Worker visione (URL)" in resp.data or b"Vision worker (URL)" in resp.data
 
 
 def test_station_list_exposes_the_vision_worker_url(logged_in_client, mock_admin_api):
diff --git a/src/frontend/flask_app/translations/en/LC_MESSAGES/messages.po b/src/frontend/flask_app/translations/en/LC_MESSAGES/messages.po
index cd26e9b..7ff1c0d 100644
--- a/src/frontend/flask_app/translations/en/LC_MESSAGES/messages.po
+++ b/src/frontend/flask_app/translations/en/LC_MESSAGES/messages.po
@@ -759,8 +759,8 @@ msgid "Worker visione (URL)"
 msgstr "Vision worker (URL)"
 
 #: templates/admin/stations.html
-msgid "Vuoto = worker centrale"
-msgstr "Empty = central worker"
+msgid "Vuoto = worker centrale. Indirizzo completo, con http o https"
+msgstr "Empty = central worker. Full address, with http or https"
 
 #: templates/admin/stations.html:194
 msgid "Nome descrittivo della stazione"
diff --git a/src/frontend/flask_app/translations/it/LC_MESSAGES/messages.po b/src/frontend/flask_app/translations/it/LC_MESSAGES/messages.po
index 6252a06..c5e2c45 100644
--- a/src/frontend/flask_app/translations/it/LC_MESSAGES/messages.po
+++ b/src/frontend/flask_app/translations/it/LC_MESSAGES/messages.po
@@ -761,8 +761,8 @@ msgid "Worker visione (URL)"
 msgstr "Worker visione (URL)"
 
 #: templates/admin/stations.html
-msgid "Vuoto = worker centrale"
-msgstr "Vuoto = worker centrale"
+msgid "Vuoto = worker centrale. Indirizzo completo, con http o https"
+msgstr "Vuoto = worker centrale. Indirizzo completo, con http o https"
 
 #: templates/admin/stations.html:194
 msgid "Nome descrittivo della stazione"