diff --git a/_external/resources/wai-intro-wcag b/_external/resources/wai-intro-wcag
index be91e0f2c0f..970b1a96668 160000
--- a/_external/resources/wai-intro-wcag
+++ b/_external/resources/wai-intro-wcag
@@ -1 +1 @@
-Subproject commit be91e0f2c0ff5eff5c02c86042f8b89d443a1ead
+Subproject commit 970b1a966683ab02365e3bfec2b92b1109d2592c