diff --git a/doc/api/crypto.md b/doc/api/crypto.md
index e1a91179d312f7..5527c5afa3c2ac 100644
--- a/doc/api/crypto.md
+++ b/doc/api/crypto.md
@@ -1561,7 +1561,8 @@ behavior.
 
 The `algorithm` is dependent on the available algorithms supported by the
 version of OpenSSL on the platform. Examples are `'sha256'`, `'sha512'`, etc.
-On recent releases of OpenSSL, `openssl list-message-digest-algorithms` will
+On recent releases of OpenSSL, `openssl list -digest-algorithms`
+(`openssl list-message-digest-algorithms` for older versions of OpenSSL) will
 display the available digest algorithms.
 
 Example: generating the sha256 sum of a file