diff --git a/frontend/static/index.html b/frontend/static/index.html
index 63315aa6c..c0b3c2c8d 100644
--- a/frontend/static/index.html
+++ b/frontend/static/index.html
@@ -3558,7 +3558,7 @@
After completing a test, the theme will be set to a random
one. The random themes are not saved to your config. If set to
- 'fav' only favourite themes will be randomized. If set to
+ 'favorite' only favorite themes will be randomized. If set to
'light' or 'dark', only presets with light or dark background
colors will be randomized, respectively.