1 files changed, 1 insertions, 0 deletions
diff --git a/index.html b/index.html
index a2042f4..8e17c5f 100644
--- a/index.html
+++ b/index.html
@@ -1,3 +1,4 @@
+<!DOCTYPE html>
 <html>
   <head>
     <title>Infantry Combat</title>