Update https.md (docker#2594)

patran · johndmulhausen · commit e9b5e56bbe68 · 2017-04-03T15:27:13.000-07:00
diff --git a/engine/security/https.md b/engine/security/https.md
@@ -102,7 +102,7 @@ config file:
 
     $ echo extendedKeyUsage = clientAuth > extfile.cnf
 
-Now sign the public key:
+Now sign the private key:
 
     $ openssl x509 -req -days 365 -sha256 -in client.csr -CA ca.pem -CAkey ca-key.pem \
       -CAcreateserial -out cert.pem -extfile extfile.cnf
