diff --git a/Readme.org b/Readme.org
index 52a881a..52b0968 100644
--- a/Readme.org
+++ b/Readme.org
@@ -198,6 +198,8 @@ ou
 
 * Documentation complémentaire
 
+- [[file:docs/guide_utilisateur_gui.md][Guide utilisateur de l’interface graphique]] : actions,
+  vérifications et cas particuliers pour chaque étape du parcours non personnel.
 - [[file:Script.org][Référence des étapes et des scripts]] : commandes, arguments,
   prérequis, fichiers produits et parcours alternatifs.
 - [[file:docs/final_output.md][Fichiers finaux dans A Rendre]] : contenu du JPEG, sélection et
diff --git a/copienator_gui/app.py b/copienator_gui/app.py
index b323323..664a511 100644
--- a/copienator_gui/app.py
+++ b/copienator_gui/app.py
@@ -279,6 +279,7 @@ class CopienatorApp(tk.Tk):
         self.refaire_panel: RefaireSelection | None = None
         self.giving_names_panel: GivingNamesPanel | None = None
         self.complete_giving_names_button: ttk.Button | None = None
+        self.label_groups_button: ttk.Button | None = None
         self.pending_refaire_commands: list[list[str]] = []
         self.refaire_command_index = 0
         self._correction_progress_buffer = ""
@@ -833,6 +834,7 @@ class CopienatorApp(tk.Tk):
         self.refaire_panel = None
         self.giving_names_panel = None
         self.complete_giving_names_button = None
+        self.label_groups_button = None
         entry = self.state_store.step(step.id) if self.state_store.evaluation else {}
         saved_variant = entry.get("variant", step.variants[0].id)
         if saved_variant not in {variant.id for variant in step.variants}:
@@ -946,6 +948,22 @@ class CopienatorApp(tk.Tk):
         self._update_controls()
 
     def _render_context_controls(self, step: StepDefinition, row: int) -> int:
+        if step.id == "annotation" and self.variant_var.get() == "grouped":
+            controls = ttk.Frame(self.form)
+            controls.grid(row=row, column=0, columnspan=2, sticky="ew", pady=(0, 8))
+            self.label_groups_button = ttk.Button(
+                controls,
+                text="Ouvrir les groupes de questions",
+                command=self._open_label_groups,
+            )
+            self.label_groups_button.pack(side="left")
+            ttk.Label(
+                controls,
+                text="Une ligne = un groupe. Vérifiez et enregistrez le fichier avant d’exécuter BGnot.",
+                wraplength=470,
+                justify="left",
+            ).pack(side="left", padx=(10, 0))
+            return row + 1
         if step.id == "personal_read":
             controls = ttk.Frame(self.form)
             controls.grid(row=row, column=0, columnspan=2, sticky="w", pady=8)
@@ -1208,6 +1226,13 @@ class CopienatorApp(tk.Tk):
         evaluation = self.evaluation
         self._open_desktop_path(evaluation / "Persp" if evaluation else None, "dossier Persp")
 
+    def _open_label_groups(self) -> None:
+        evaluation = self.evaluation
+        self._open_desktop_path(
+            evaluation / "label_groups" if evaluation else None,
+            "fichier label_groups",
+        )
+
     def _open_selected_copy(self) -> None:
         self._open_desktop_path(self.copy_paths.get(self.copy_var.get()), "copie")
 
diff --git a/start-gui.sh b/start-gui.sh
index b214a90..8999d0b 100755
--- a/start-gui.sh
+++ b/start-gui.sh
@@ -17,6 +17,9 @@ if [[ $# -eq 0 ]]; then
         folder="${candidate%/}"
         folder="${folder##*/}"
         case "$folder" in
+            [Ee]xample|[Ee]xamples|[Dd]oc|[Dd]ocs|[Dd]ocumentation)
+                continue
+                ;;
             copienator|copienator_gui|tests|OLD|__pycache__|build|dist|*.egg-info|venv|env|node_modules)
                 continue
                 ;;
diff --git a/tests/test_gui_convenience.py b/tests/test_gui_convenience.py
index 64efac9..63d0afc 100644
--- a/tests/test_gui_convenience.py
+++ b/tests/test_gui_convenience.py
@@ -210,6 +210,25 @@ class GuiConvenienceTests(unittest.TestCase):
         )
         self.assertNotEqual(self.app.current_step.id, "giving_names")
 
+    def test_grouped_annotation_can_open_label_groups(self):
+        label_groups = self.evaluation / "label_groups"
+        label_groups.write_text("Ex 1 : 1), Ex 1 : 2)\n", encoding="utf-8")
+        self.app.state_store.update_step("annotation", variant="grouped")
+        self.app.tree.selection_set("annotation")
+        self.app.update()
+
+        self.assertIsNotNone(self.app.label_groups_button)
+        self.assertEqual(
+            self.app.label_groups_button.cget("text"),
+            "Ouvrir les groupes de questions",
+        )
+        with patch("copienator_gui.app.open_path") as opened:
+            self.app.label_groups_button.invoke()
+        opened.assert_called_once_with(label_groups)
+
+        self.app._select_variant(0)
+        self.assertIsNone(self.app.label_groups_button)
+
     def test_batch_status_waits_until_all_jobs_are_ready(self):
         self.app.state_store.update_step("correction", variant="batch", last_run_variant="batch")
         self.app._populate_tree()