diff --git a/src/epub/content.opf b/src/epub/content.opf
index 01df0d9..cf6ae3c 100644
--- a/src/epub/content.opf
+++ b/src/epub/content.opf
@@ -26,7 +26,7 @@
tableOfContents
unlocked
none
- This publication conforms to WCAG 2.1 Level AA.
+ This publication conforms to WCAG 2.2 Level AA.
Lord Peter Views the Body
Lord Peter Views the Body