diff --git a/kitty/options/definition.py b/kitty/options/definition.py
index ab150cceb..9c33feb83 100644
--- a/kitty/options/definition.py
+++ b/kitty/options/definition.py
@@ -1382,7 +1382,7 @@ control the :italic:`blur radius` (amount of blurring). Setting it to too high
 a value will cause severe performance issues and/or rendering artifacts.
 Usually, values up to 64 work well. Note that this might cause performance issues,
 depending on how the platform implements it, so use with care. Currently supported
-on macOS and KDE/X11.
+on macOS and KDE under X11.
 ''')
 
 opt('background_image', 'none',