diff --git a/README b/README
index 3dc226f..7de7045 100644
--- a/README
+++ b/README
@@ -79,6 +79,7 @@ may need to be enabled, and the kernel rebuilt.
 	CONFIG_CRYPTO_USER_API
 	CONFIG_CRYPTO_USER_API_AEAD
 	CONFIG_CRYPTO_USER_API_HASH
+	CONFIG_CRYPTO_USER_API_SKCIPHER
 
 	CONFIG_CRYPTO_AES
 	CONFIG_CRYPTO_CCM