diff --git a/runtime/scripts.vim b/runtime/scripts.vim
index 62ea472..d20ab09 100644
--- a/runtime/scripts.vim
+++ b/runtime/scripts.vim
@@ -234,6 +234,10 @@
   elseif s:line1 =~ '\<DTD\s\+XHTML\s'
     set ft=xhtml
 
+    " HTML (e.g.: <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN")
+  elseif s:line1 =~? '\<DOCTYPE\s\+html\>'
+    set ft=html
+
     " PDF
   elseif s:line1 =~ '^%PDF-'
     set ft=pdf