diff --git a/_external/resources/wai-intro-wcag b/_external/resources/wai-intro-wcag
index 275ea04670b..6de255eaa84 160000
--- a/_external/resources/wai-intro-wcag
+++ b/_external/resources/wai-intro-wcag
@@ -1 +1 @@
-Subproject commit 275ea04670b60770c2d7658d71792144e69ca2d9
+Subproject commit 6de255eaa849fc8b224fac76d004089d1775df57