diff --git a/kibot/macros.py b/kibot/macros.py
index d1c4dfe6..ba56492c 100644
--- a/kibot/macros.py
+++ b/kibot/macros.py
@@ -82,7 +82,7 @@ def document(sentences, **kw):
                 # Hardcoded type hint, don't add one
                 type_hint = ''
             # The * marks this option as a basic (not advanced) option
-            if doc_str.startswith(' *'):
+            if doc_str.startswith(' *') and type_hint:
                 # Move the marker to the beginning
                 doc_str = ' '+doc_str[2:]
                 type_hint = '*'+type_hint