Corrected directive from yellow to gold

Author: nvillahermosa-mdb

source/connection-strings/mongodb-database-connection-strings.txt

@@ -83,7 +83,7 @@ the following options:
      - The path to the ``.p12`` file that contains the certificate and key to 
        present to the mongod or mongos instance.
 
-       :yellow:`IMPORTANT:` Unlike other MongoDB products, Relational Migrator
+       :gold:`IMPORTANT:` Unlike other MongoDB products, Relational Migrator
        requires a path to a ``.p12`` file, not a ``.pem`` file. If your 
        certificate is saved as a ``.pem`` file, you can convert it using a tool 
        like OpenSSL's `PKCS12 command <https://docs.openssl.org/master/man1/openssl-pkcs12/>`__: