user doc: Update to indicate that a db name in the Administration database field is required.
@@ -31,16 +31,25 @@ a host name, a virtual host name, or an IP address. For example:
access the database.
.. In the *Password* field, enter the password for the user name
that you specified.
-.. Optional. In the *Administration database* field, enter the name of a MongoDB
+.. In the *Administration database* field, enter the name of a MongoDB
administration database that is used to grant access permission.
A MongoDB administrator should let you know whether the database
-that you want to access requires this.
+that you want to access has an administration database.
++
+If the database that you want to access does not use an administration
+database, enter the name of the database that you want to access.
+Be sure to enter the same value in the *Database* field below.
.. Optional. In the *Replica set name* field,
specify the name of the MongoDB replica set (cluster) that the
connection can access.
.. In the *Database* field, enter the name of the MongoDB
database that contains the collection(s) that you want the
connection to read.
++
+If you entered the name of the database that you want to access in the
+*Administration database* field, then the value that you enter in the
+*Database* field must be the same as the value that you entered in the
+*Administration database* field.
. Click *Validate*. {prodname} immediately tries to validate the
connection and displays a message that indicates whether
