diff --git a/json_to_md.py b/json_to_md.py
index 89a3780a..facf0d0f 100644
--- a/json_to_md.py
+++ b/json_to_md.py
@@ -17,14 +17,20 @@ def stringify(obj, indent=0):
     if isinstance(obj, list):
         if not obj:
             return "[]"
-        return '\n'.join(f"{space}- {stringify(e, indent + 1)}" for e in obj)
+        return '\n'.join(f"{space} {stringify(e, indent + 1)}" for e in obj)
 
     if isinstance(obj, dict):
         if not obj:
             return "{}"
-        return '\n'.join(f"{space}{k}: {stringify(v, indent + 1)}" for k, v in obj.items())
+        lines = []
+        for k, v in obj.items():
+            v_str = stringify(v, indent + 1)
+            # on force retour à la ligne après la clé
+            lines.append(f"{space}{k}:\n{v_str}")
+        return '\n'.join(lines)
+
+    return f"{space}{str(obj)}"
 
-    return str(obj)
 
 def sanitize_param_value(v):
     s = str(v)