diff --git a/source/fundamentals/gridfs.txt b/source/fundamentals/gridfs.txt
index e08527ad1..1b0f9db64 100644
--- a/source/fundamentals/gridfs.txt
+++ b/source/fundamentals/gridfs.txt
@@ -110,11 +110,12 @@ Upload Files
 
 Use the ``openUploadStream()`` method from ``GridFSBucket`` to create an upload
 stream for a given file name. You can use the ``pipe()`` method to
-connect a Node.js ``fs`` read stream to the upload stream. The
+connect a Node.js read stream to the upload stream. The
 ``openUploadStream()`` method allows you to specify configuration information
-such as file chunk size and other field/value pairs to store as metadata. Set
-these options as parameters of ``openUploadStream()`` as shown in the
-following code snippet:
+such as file chunk size and other field/value pairs to store as metadata.
+
+The following example shows how to pipe a Node.js read stream, represented by the
+variable ``fs``, to the ``openUploadStream()`` method of a ``GridFSBucket`` instance: 
 
 .. code-block:: javascript
 
diff --git a/source/includes/aggregation/filtered-subset.js b/source/includes/aggregation/filtered-subset.js
index 8671c9192..5f3f949f7 100644
--- a/source/includes/aggregation/filtered-subset.js
+++ b/source/includes/aggregation/filtered-subset.js
@@ -8,7 +8,7 @@ async function run() {
     const aggDB = client.db("agg_tutorials_db");
 
     // start-collection
-    const personColl = await aggDB.collection("persons");
+    const personColl = aggDB.collection("persons");
     // end-collection
 
     // start-insert-persons
diff --git a/source/includes/aggregation/group-total.js b/source/includes/aggregation/group-total.js
index 73de1ad75..3d4780439 100644
--- a/source/includes/aggregation/group-total.js
+++ b/source/includes/aggregation/group-total.js
@@ -8,7 +8,7 @@ async function run() {
     const aggDB = client.db("agg_tutorials_db");
 
     // start-coll
-    const ordersColl = await aggDB.collection("orders");
+    const ordersColl = aggDB.collection("orders");
     // end-coll
 
     // start-insert-orders
diff --git a/source/includes/aggregation/multi-field-join.js b/source/includes/aggregation/multi-field-join.js
index e84c36431..3cbb6fe83 100644
--- a/source/includes/aggregation/multi-field-join.js
+++ b/source/includes/aggregation/multi-field-join.js
@@ -8,8 +8,8 @@ async function run() {
     const aggDB = client.db("agg_tutorials_db");
 
     // start-colls
-    const productsColl = await aggDB.collection("products");
-    const ordersColl = await aggDB.collection("orders");
+    const productsColl = aggDB.collection("products");
+    const ordersColl = aggDB.collection("orders");
     // end-colls
 
     // start-insert-products
diff --git a/source/includes/aggregation/one-to-one-join.js b/source/includes/aggregation/one-to-one-join.js
index c719798d7..0c08e5e31 100644
--- a/source/includes/aggregation/one-to-one-join.js
+++ b/source/includes/aggregation/one-to-one-join.js
@@ -8,8 +8,8 @@ async function run() {
     const aggDB = client.db("agg_tutorials_db");
 
     // start-colls
-    const ordersColl = await aggDB.collection("orders");
-    const productsColl = await aggDB.collection("products");
+    const ordersColl = aggDB.collection("orders");
+    const productsColl = aggDB.collection("products");
     // end-colls
 
     // start-insert-orders
diff --git a/source/includes/aggregation/unpack-arrays.js b/source/includes/aggregation/unpack-arrays.js
index 16f26dbf8..d1f9ccbe3 100644
--- a/source/includes/aggregation/unpack-arrays.js
+++ b/source/includes/aggregation/unpack-arrays.js
@@ -8,7 +8,7 @@ async function run() {
     const aggDB = client.db("agg_tutorials_db");
 
     // start-coll
-    const ordersColl = await aggDB.collection("orders");
+    const ordersColl = aggDB.collection("orders");
     // end-coll
 
     // start-insert-orders