diff --git a/src/components/settings/OllamaTab.tsx b/src/components/settings/OllamaTab.tsx
index a628a314..7da773bf 100644
--- a/src/components/settings/OllamaTab.tsx
+++ b/src/components/settings/OllamaTab.tsx
@@ -438,10 +438,10 @@ export default function OllamaTab() {
                       <button onClick={() => toggleInstance(inst)} class={`text-[10px] font-bold px-3 py-1 rounded-full border transition-colors ${inst.enabled ? 'border-amber-200 text-amber-700 hover:bg-amber-50' : 'border-green-200 text-green-700 hover:bg-green-50'}`}>
                         {inst.enabled ? 'Désactiver' : 'Activer'}
                       </button>
-                      <button onClick={() => startEdit(inst)} class="p-2 text-gray-400 hover:text-gray-600 transition-colors">
+                      <button onClick={() => startEdit(inst)} aria-label="Modifier l'instance" class="p-2 text-gray-400 hover:text-gray-600 transition-colors">
                         <svg class="w-4 h-4" fill="none" viewBox="0 0 24 24" stroke="currentColor"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M11 5H6a2 2 0 00-2 2v11a2 2 0 002 2h11a2 2 0 002-2v-5m-1.414-9.414a2 2 0 112.828 2.828L11.828 15H9v-2.828l8.586-8.586z" /></svg>
                       </button>
-                      <button onClick={() => deleteInstance(inst.id)} class="p-2 text-gray-400 hover:text-red-600 transition-colors">
+                      <button onClick={() => deleteInstance(inst.id)} aria-label="Supprimer l'instance" class="p-2 text-gray-400 hover:text-red-600 transition-colors">
                         <svg class="w-4 h-4" fill="none" viewBox="0 0 24 24" stroke="currentColor"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M19 7l-.867 12.142A2 2 0 0116.138 21H7.862a2 2 0 01-1.995-1.858L5 7m5 4v6m4-6v6m1-10V4a1 1 0 00-1-1h-4a1 1 0 00-1 1v3M4 7h16" /></svg>
                       </button>
                     </div>