diff --git a/include/openssl/x509.h b/include/openssl/x509.h
index 6c34f41..ebbf1ff 100644
--- a/include/openssl/x509.h
+++ b/include/openssl/x509.h
@@ -2806,9 +2806,9 @@
 #define X509_V_FLAG_INHIBIT_MAP 0x400
 // Notify callback that policy is OK
 #define X509_V_FLAG_NOTIFY_POLICY 0x800
-// Extended CRL features such as indirect CRLs, alternate CRL signing keys
+// Causes all verifications to fail. Extended CRL features have been removed.
 #define X509_V_FLAG_EXTENDED_CRL_SUPPORT 0x1000
-// Delta CRL support
+// Causes all verifications to fail. Delta CRL support has been removed.
 #define X509_V_FLAG_USE_DELTAS 0x2000
 // Check selfsigned CA signature
 #define X509_V_FLAG_CHECK_SS_SIGNATURE 0x4000