add doctype, phetsims/build-a-nucleus#165

phetsims · Aug 28, 2023 · 99fca87 · 99fca87
1 parent 988b2f7
commit 99fca87
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/html/gameup-harness.html b/html/gameup-harness.html
@@ -1,3 +1,4 @@
+<!DOCTYPE HTML>
 <!--
 Test harness for the game up camera functionality.