diff --git a/_external/resources/wai-intro-wcag b/_external/resources/wai-intro-wcag
index 725d1948080..aeca75f4d73 160000
--- a/_external/resources/wai-intro-wcag
+++ b/_external/resources/wai-intro-wcag
@@ -1 +1 @@
-Subproject commit 725d1948080204602bcb39f823acf146f8c3ac66
+Subproject commit aeca75f4d7393e06a948bfa3590009822b7542d3