diff --git a/blob/lib/highlevel.browser.ts b/blob/lib/highlevel.browser.ts
index 4b46068..3a3796e 100644
--- a/blob/lib/highlevel.browser.ts
+++ b/blob/lib/highlevel.browser.ts
@@ -95,7 +95,7 @@ async function UploadSeekableBlobToBlockBlob(
     options.maxSingleShotSize > BLOCK_BLOB_MAX_UPLOAD_BLOB_BYTES
   ) {
     throw new RangeError(
-      `parallelismThreshold option must be >= 0 and <= ${BLOCK_BLOB_MAX_UPLOAD_BLOB_BYTES}`
+      `maxSingleShotSize option must be >= 0 and <= ${BLOCK_BLOB_MAX_UPLOAD_BLOB_BYTES}`
     );
   }
 
diff --git a/blob/lib/highlevel.node.ts b/blob/lib/highlevel.node.ts
index f634bab..3062e0e 100644
--- a/blob/lib/highlevel.node.ts
+++ b/blob/lib/highlevel.node.ts
@@ -109,7 +109,7 @@ async function uploadResetableStreamToBlockBlob(
     options.maxSingleShotSize > BLOCK_BLOB_MAX_UPLOAD_BLOB_BYTES
   ) {
     throw new RangeError(
-      `parallelismThreshold option must be >= 0 and <= ${BLOCK_BLOB_MAX_UPLOAD_BLOB_BYTES}`
+      `maxSingleShotSize option must be >= 0 and <= ${BLOCK_BLOB_MAX_UPLOAD_BLOB_BYTES}`
     );
   }
 
diff --git a/blob/tests/browser/highlevel.browser.test.ts b/blob/tests/browser/highlevel.browser.test.ts
index 005e59a..2f32686 100644
--- a/blob/tests/browser/highlevel.browser.test.ts
+++ b/blob/tests/browser/highlevel.browser.test.ts
@@ -123,7 +123,7 @@ describe("Highelvel", () => {
     assert.equal(uploadedString, downloadedString);
   });
 
-  it("uploadBrowserDataToBlockBlob should success when blob < BLOCK_BLOB_MAX_UPLOAD_BLOB_BYTES and configed parallism threshold", async () => {
+  it("uploadBrowserDataToBlockBlob should success when blob < BLOCK_BLOB_MAX_UPLOAD_BLOB_BYTES and configured maxSingleShotSize", async () => {
     await uploadBrowserDataToBlockBlob(Aborter.none, tempFile2, blockBlobURL, {
       blockSize: 512 * 1024,
       maxSingleShotSize: 0
diff --git a/blob/tests/node/highlevel.node.test.ts b/blob/tests/node/highlevel.node.test.ts
index ee97c8e..595a152 100644
--- a/blob/tests/node/highlevel.node.test.ts
+++ b/blob/tests/node/highlevel.node.test.ts
@@ -114,7 +114,7 @@ describe("Highlevel", () => {
     assert.ok(downloadedData.equals(uploadedData));
   });
 
-  it("uploadFileToBlockBlob should success when blob < BLOCK_BLOB_MAX_UPLOAD_BLOB_BYTES and configed parallism threshold", async () => {
+  it("uploadFileToBlockBlob should success when blob < BLOCK_BLOB_MAX_UPLOAD_BLOB_BYTES and configured maxSingleShotSize", async () => {
     await uploadFileToBlockBlob(Aborter.none, tempFileSmall, blockBlobURL, {
       maxSingleShotSize: 0
     });
diff --git a/blob/tests/utils/InjectorPolicyFactory.ts b/blob/tests/utils/InjectorPolicyFactory.ts
index 5e9815a..dcd64f5 100644
--- a/blob/tests/utils/InjectorPolicyFactory.ts
+++ b/blob/tests/utils/InjectorPolicyFactory.ts
@@ -6,7 +6,7 @@ import {
 import { InjectorPolicy, Injector } from "./InjectorPolicy";
 
 /**
- * InjectorPolicyFactory is a factory class inject customized errors for retry policy testing.
+ * InjectorPolicyFactory is a factory class which injects customized errors for retry policy testing.
  *
  * @export
  * @class InjectorPolicyFactory