diff --git a/CLAUDE.md b/CLAUDE.md
index 0918d28..07adc6a 100644
--- a/CLAUDE.md
+++ b/CLAUDE.md
@@ -77,7 +77,7 @@ Avant d'ajouter des fichier dans git (`git add` ou `git commit -a`), exécute `p
 
 ### UI stack
 
-- **Dash 3.4** + **Dash Bootstrap Components** for layout
+- **Dash 4.4** + **Dash Bootstrap Components** for layout
 - **Plotly Express** for charts
 - **Dash Leaflet** + **Dash Extensions** for interactive maps with clustering
 - Custom CSS in `src/assets/css/`
diff --git a/src/pages/tableau.py b/src/pages/tableau.py
index 6e7520e..987004b 100644
--- a/src/pages/tableau.py
+++ b/src/pages/tableau.py
@@ -96,7 +96,7 @@ def _help_button_legend():
             "Supprimer tous les filtres et tris.",
         ),
         (
-            dbc.Button("Mode d'emploi", color="secondary", outline=True, size="sm"),
+            dbc.Button("⍰ Mode d'emploi", color="secondary", outline=True, size="sm"),
             "Ouvrir cette aide.",
         ),
     ]
diff --git a/tests/mcp/test_account_page.py b/tests/mcp/test_account_page.py
index 5708325..ef854ec 100644
--- a/tests/mcp/test_account_page.py
+++ b/tests/mcp/test_account_page.py
@@ -22,5 +22,3 @@ def test_page_module_registers_and_builds_client_instructions():
     assert "https://colibre.fr/_mcp" in text
     for client_name in ("Claude", "Gemini", "Mistral", "ChatGPT"):
         assert client_name in text
-    # caveat ChatGPT (OAuth / itération future)
-    assert "OAuth" in text