diff -rupN --no-dereference openssl-3.0.7-hobbled/apps/ca.c openssl-3.0.7-hobbled-new/apps/ca.c
--- openssl-3.0.7-hobbled/apps/ca.c	2022-11-01 15:14:36.000000000 +0100
+++ openssl-3.0.7-hobbled-new/apps/ca.c	2022-11-28 16:00:17.738827171 +0100
@@ -210,7 +210,7 @@ const OPTIONS ca_options[] = {
     {"noemailDN", OPT_NOEMAILDN, '-', "Don't add the EMAIL field to the DN"},
 
     OPT_SECTION("Signing"),
-    {"md", OPT_MD, 's', "Digest to use, such as sha256"},
+    {"md", OPT_MD, 's', "Digest to use, such as sha256; see openssl help for list"},
     {"keyfile", OPT_KEYFILE, 's', "The CA private key"},
     {"keyform", OPT_KEYFORM, 'f',
      "Private key file format (ENGINE, other values ignored)"},