DOCSP-48718-update-credentials (#247) (#248)

* update username and password

* misspelling

(cherry picked from commit 7bc5a55)

Author: shuangela

source/get-started.txt

@@ -163,8 +163,8 @@ your MongoDB database in the cloud.
 
    .. step:: Save your credentials
 
-      After you create your database user, save that user's 
-      username and password to a safe location for use in an upcoming step.
+      After you create your database user, save that user's database
+      username and database password to a safe location for use in an upcoming step.
 
 After you complete these steps, you have a new free tier MongoDB
 deployment on Atlas, database user credentials, and sample data loaded