implement technical feedback

Author: stephmarie17

source/includes/write/transaction.kt

@@ -1,6 +1,5 @@
-import com.mongodb.*
-import com.mongodb.client.ClientSession
-import com.mongodb.client.MongoClients
+import com.mongodb.kotlin.client.ClientSession
+import com.mongodb.kotlin.client.MongoClient
 import org.bson.Document
 
 // start-data-class
@@ -10,7 +9,7 @@ data class Restaurant(val name: String, val cuisine: String)
 fun main() {
 // start-transaction
     // Creates a new MongoClient to manage your connection
-    val client = MongoClients.create("<connection string>")
+    val client = MongoClient.create("<connection string>")
 
     // Gets the database and collection
     val database = client.getDatabase("sample_restaurants")

source/write/transactions.txt

@@ -120,7 +120,7 @@ through the following steps:
 #. Define the ``insertRestaurantsInTransaction()`` method to insert multiple 
    documents into the ``restaurants`` collection. 
 #. Use the ``withTransaction()`` method to start a transaction. The ``withTransaction()`` 
-   method runs the insert operation and commits the transaction. If any 
+   method runs the insert operations and commits the transaction. If any 
    operation results in errors, ``withTransaction()`` cancels the transaction.
 #. Close the connection to the server by using the ``MongoClient.close()`` method.