diff --git a/lib/krb5/crypto.c b/lib/krb5/crypto.c
index 8cc7b0602..828ed2916 100644
--- a/lib/krb5/crypto.c
+++ b/lib/krb5/crypto.c
@@ -5019,6 +5019,12 @@ krb5_crypto_fx_cf2(krb5_context context,
 
 #ifndef HEIMDAL_SMALLER
 
+/**
+ * Deprecated: keytypes doesn't exists, they are really enctypes.
+ *
+ * @ingroup krb5_deprecated
+ */
+
 krb5_error_code KRB5_LIB_FUNCTION
 krb5_keytype_to_enctypes (krb5_context context,
 			  krb5_keytype keytype,
@@ -5059,6 +5065,12 @@ krb5_keytype_to_enctypes (krb5_context context,
     return 0;
 }
 
+/**
+ * Deprecated: keytypes doesn't exists, they are really enctypes.
+ *
+ * @ingroup krb5_deprecated
+ */
+
 /* if two enctypes have compatible keys */
 krb5_boolean KRB5_LIB_FUNCTION
 krb5_enctypes_compatible_keys(krb5_context context,