diff --git a/web/types/making_a_web_site.anubis b/web/types/making_a_web_site.anubis
index d42e75e..cf585d1 100644
--- a/web/types/making_a_web_site.anubis
+++ b/web/types/making_a_web_site.anubis
@@ -489,7 +489,7 @@ public define String
   {
     alternate     then "alternate",
     author        then "author",
-    dns_prefetch  then "dns_prefetch",
+    dns_prefetch  then "dns-prefetch",
     help          then "help",
     icon          then "icon",
     license       then "license",
--
libgit2 0.21.4