docs: change DOCTYPE to html5 format
diff --git a/tools/droiddoc/templates/doctype.cs b/tools/droiddoc/templates/doctype.cs
index 643f992..763b073 100644
--- a/tools/droiddoc/templates/doctype.cs
+++ b/tools/droiddoc/templates/doctype.cs
@@ -1 +1 @@
-<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
\ No newline at end of file
+<!DOCTYPE html>
\ No newline at end of file