diff --git a/searx/settings.yml b/searx/settings.yml
index 5783e3eea..d742c517f 100644
--- a/searx/settings.yml
+++ b/searx/settings.yml
@@ -138,7 +138,7 @@ ui:
   # Open result links in a new tab by default
   # results_on_new_tab: false
   theme_args:
-    # style of simple theme: auto, light, dark
+    # style of simple theme: auto, light, dark, black
     simple_style: auto
   # Perform search immediately if a category selected.
   # Disable to select multiple categories at once and start the search manually.