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-rw-r--r--doc/api/crypto.md3
1 files changed, 2 insertions, 1 deletions
diff --git a/doc/api/crypto.md b/doc/api/crypto.md
index 9ca30f9546..b8fafc8574 100644
--- a/doc/api/crypto.md
+++ b/doc/api/crypto.md
@@ -1626,7 +1626,8 @@ Optional `options` argument controls stream 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.
The `key` is the HMAC key used to generate the cryptographic HMAC hash.