diff --git a/themes.md b/themes.md
index db3050b..195ccbd 100644
--- a/themes.md
+++ b/themes.md
@@ -2,7 +2,7 @@
 ## Sublime themes
 - ayu
 - edge night sky
-- Halcyon
+- halcyon
 
 ## Colour Schemes
 - ayu