diff --git a/init.vim b/init.vim
index 3d0c077..db810f5 100644
--- a/init.vim
+++ b/init.vim
@@ -813,6 +813,13 @@ augroup CustomCommentDefinitions
                 setlocal commentstring=\/\/\ %s
             endif
         endif
+        if &ft == 'html'
+            if join(syntaxGroups, ',') =~ 'ShaderScript'
+                setlocal commentstring=\/\/\ %s
+            elseif join(syntaxGroups, ',') =~ 'html'
+                setlocal commentstring=<!--\ %s\ -->
+            endif
+        endif
     endfunction
 
     autocmd!
@@ -826,7 +833,7 @@ augroup CustomCommentDefinitions
     autocmd FileType dot setlocal commentstring=\/\/\ %s
     autocmd FileType markdown setlocal commentstring=<!---\ %s\ -->
     autocmd FileType html.epl setlocal commentstring=%#\ %s
-    autocmd FileType vue execute 'autocmd CustomCommentDefinitions CursorMoved <buffer> :call SetCommentString()'
+    autocmd FileType vue,html execute 'autocmd CustomCommentDefinitions CursorMoved <buffer> :call SetCommentString()'
     " autocmd CursorMoved * :call SetCommentString()
 augroup END