Use our docs to point people towards modern hashes (#537)
diff --git a/doc/api/crypto.rst b/doc/api/crypto.rst
index c6501b4..6276bc2 100644
--- a/doc/api/crypto.rst
+++ b/doc/api/crypto.rst
@@ -315,7 +315,7 @@
Several of the functions and methods in this module take a digest name.
These must be strings describing a digest algorithm supported by OpenSSL (by ``EVP_get_digestbyname``, specifically).
-For example, :const:`b"md5"` or :const:`b"sha1"`.
+For example, :const:`b"sha256"` or :const:`b"sha384"`.
More information and a list of these digest names can be found in the ``EVP_DigestInit(3)`` man page of your OpenSSL installation.
This page can be found online for the latest version of OpenSSL: