diff --git a/mpv/scripts/modern.lua b/mpv/scripts/modern.lua
index 05eff40..93e5eb7 100644
--- a/mpv/scripts/modern.lua
+++ b/mpv/scripts/modern.lua
@@ -658,7 +658,6 @@ function render_elements(master_ass)
             buttontext = buttontext:gsub(':%((.?.?.?)%) unknown ', ':%(%1%)')  --gsub('%) unknown %(\'', '')
 
             local maxchars = element.layout.button.maxchars
-            -- 认为1个中文字符约等于1.5个英文字符
             local charcount = (buttontext:len() + select(2, buttontext:gsub('[^\128-\193]', ''))*2) / 3
             if not (maxchars == nil) and (charcount > maxchars) then
                 local limit = math.max(0, maxchars - 3)