diff --git a/zacas.adoc b/zacas.adoc
index 5627e38..bdd0c25 100644
--- a/zacas.adoc
+++ b/zacas.adoc
@@ -226,7 +226,7 @@ defines three additional levels of support: `AMOCASW`, `AMOCASD`, and `AMOCASQ`.
 level support, the `AMOCAS.W` instruction is supported. `AMOCASD` indicates that
 in addition to instructions indicated by `AMOCASW` level support, the `AMOCAS.D`
 instruction is supported. `AMOCASQ` indicates that in addition to instructions
-indicated by `AMOCASW` level support, the `AMOCAS.Q` instruction is supported.
+indicated by `AMOCASD` level support, the `AMOCAS.Q` instruction is supported.
 
 [NOTE]
 ====