KA fixes 2

Author: rustagir

source/fundamentals/connection.txt

@@ -22,7 +22,7 @@ connect to a MongoDB deployment. It instructs the driver on how it should
 connect to MongoDB and how it should behave while connected. The following
 example explains each part of a sample connection URI:
 
-.. figure:: /includes/figures/connection_string_parts.png
+.. figure:: /includes/figures/connection_uri_parts.png
    :alt: Each part of the connection string
 
 In this example, we use ``mongodb`` for the protocol, which specifies the
@@ -148,12 +148,20 @@ URI to specify the behavior of the client.
      - Specifies the maximum number of connections that a connection pool may
        have at a given time.
 
+   * - **replicaSet**
+     - string
+     - ``null``
+     - Specifies the replica set name for the cluster. All nodes in the
+       replica set must have the same replica set name, or the Client will not
+       consider them as part of the set.
+
    * - **maxIdleTimeMS**
      - integer
      - ``0``
      - Specifies the maximum amount of time a connection can remain idle
-       in the connection pool before being removed and closed. The ``0``
-       default value indicates that there is no idle time allowance.
+       in the connection pool before being removed and closed. The
+       default is ``0``, meaning a connection can remain unused
+       indefinitely.
 
    * - **minPoolSize**
      - integer

source/includes/figures/connection_string_parts.png

@@ -11,7 +11,7 @@ import (
 )
 
 // Connection URI
-const uri = "mongodb+srv://sample-hostname/?maxPoolSize=20&w=majority"
+const uri = "mongodb://user:pass@sample.host:27017/?maxPoolSize=20&w=majority"
 
 func main() {
 	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)