diff --git a/cryptlib.h b/cryptlib.h
index 5cc94c61..62ad17a3 100644
--- a/cryptlib.h
+++ b/cryptlib.h
@@ -2308,7 +2308,7 @@ class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE CryptoParameters : public GeneratableCrypt
 
 /// \brief Interface for asymmetric algorithms
 /// \details BERDecode() and DEREncode() were removed under Issue 569
-///   and Commit XXX. Programs should use <tt>AccessMaterial().Load(bt)</tt>
+///   and Commit 9b174e84de7a. Programs should use <tt>AccessMaterial().Load(bt)</tt>
 ///   or <tt>AccessMaterial().Save(bt)</tt> instead.
 /// \sa <A HREF="https://github.com/weidai11/cryptopp/issues/569">Issue 569</A>
 class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE AsymmetricAlgorithm : public Algorithm