edit for proper user/pw info

Author: shuangela

source/connection-troubleshooting.txt

@@ -105,12 +105,12 @@ issues when attempting to connect to MongoDB.
    For more information about connection strings,
    see :ref:`Connection URI <golang-connection-uri>` in the Connection Guide.
 
-If your connection string contains a username and password, ensure that they
+If your connection string contains a database username and database password, ensure that they
 are in the correct format.
 
 .. note::
 
-   If the username or password includes any of the following characters, they
+   If the database username or database password includes any of the following characters, they
    must be `percent encoded <https://tools.ietf.org/html/rfc3986#section-2.1>`__:
 
    .. code-block:: none

source/usage-examples.txt

@@ -60,8 +60,8 @@ step to find the
 :manual:`connection string </reference/connection-string/>` to define your
 ``MONGODB_URI`` environment variable to run the usage examples. If your
 instance uses :manual:`SCRAM authentication </core/security-scram/>`,
-you can replace ``<user>`` with your username, ``<password>`` with your
-password, and ``<cluster-url>`` with the URL or IP address of your instance.
+you can replace ``<user>`` with your database username, ``<password>`` with your
+database password, and ``<cluster-url>`` with the URL or IP address of your instance.
 
 To learn more about connecting to your MongoDB instance, see :ref:`golang-connection-guide`.