diff --git a/tests/introspection/ApiTypoTest.cs b/tests/introspection/ApiTypoTest.cs
index 3fb48c628591..3381892cac1c 100644
--- a/tests/introspection/ApiTypoTest.cs
+++ b/tests/introspection/ApiTypoTest.cs
@@ -180,6 +180,7 @@ public virtual bool Skip (MemberInfo methodName, string typo) {
 			"Descendents",
 			"Descrete",
 			"Dhe", // Diffie–Hellman key exchange
+			"Diffable", // that you can diff it.. made up word from apple
 			"Differental",
 			"Diffie",
 			"Directionfor",