diff --git a/Read-and-save-PowerPoint-presentation/Open-and-save-PowerPoint/AWS-S3-Bucket/Open-PowerPoint-document/Open-PowerPoint-document/Controllers/HomeController.cs b/Read-and-save-PowerPoint-presentation/Open-and-save-PowerPoint/AWS-S3-Bucket/Open-PowerPoint-document/Open-PowerPoint-document/Controllers/HomeController.cs
index 742dafd9..600ce066 100644
--- a/Read-and-save-PowerPoint-presentation/Open-and-save-PowerPoint/AWS-S3-Bucket/Open-PowerPoint-document/Open-PowerPoint-document/Controllers/HomeController.cs
+++ b/Read-and-save-PowerPoint-presentation/Open-and-save-PowerPoint/AWS-S3-Bucket/Open-PowerPoint-document/Open-PowerPoint-document/Controllers/HomeController.cs
@@ -52,9 +52,6 @@ public async Task<IActionResult> EditDocument()
                     MemoryStream outputStream = new MemoryStream();
                     pptxDocument.Save(outputStream);
 
-                    //Set the position as '0'
-                    outputStream.Position = 0;
-
                     //Download the PowerPoint file in the browser
                     FileStreamResult fileStreamResult = new FileStreamResult(outputStream, "application/powerpoint");
                     fileStreamResult.FileDownloadName = "EditPowerPoint.pptx";
@@ -67,6 +64,12 @@ public async Task<IActionResult> EditDocument()
                 return Content("Error occurred while processing the file.");
             }
         }
+        /// <summary>
+        /// Download file from AWS S3 cloud storage
+        /// </summary>
+        /// <param name="bucketName"></param>
+        /// <param name="key"></param>
+        /// <returns></returns>
         public async Task<MemoryStream> GetDocumentFromS3(string bucketName, string key)
         {
             //Configure AWS credentials and region
@@ -104,7 +107,6 @@ public async Task<MemoryStream> GetDocumentFromS3(string bucketName, string key)
                 throw; // or handle the exception as needed
             }
         }
-
         public IActionResult Privacy()
         {
             return View();
diff --git a/Read-and-save-PowerPoint-presentation/Open-and-save-PowerPoint/AWS-S3-Bucket/Save-PowerPoint-document/Save-PowerPoint-document/Controllers/HomeController.cs b/Read-and-save-PowerPoint-presentation/Open-and-save-PowerPoint/AWS-S3-Bucket/Save-PowerPoint-document/Save-PowerPoint-document/Controllers/HomeController.cs
index 8196eeaf..861b7c7b 100644
--- a/Read-and-save-PowerPoint-presentation/Open-and-save-PowerPoint/AWS-S3-Bucket/Save-PowerPoint-document/Save-PowerPoint-document/Controllers/HomeController.cs
+++ b/Read-and-save-PowerPoint-presentation/Open-and-save-PowerPoint/AWS-S3-Bucket/Save-PowerPoint-document/Save-PowerPoint-document/Controllers/HomeController.cs
@@ -75,7 +75,6 @@ public async Task<IActionResult> UploadDocument()
             //Saves the PowerPoint document to MemoryStream
             MemoryStream stream = new MemoryStream();
             pptxDocument.Save(stream);
-            stream.Position = 0;
 
             //Your AWS Storage Account bucket name 
             string bucketName = "your-bucket-name";
@@ -88,6 +87,13 @@ public async Task<IActionResult> UploadDocument()
 
             return Ok("PowerPoint document uploaded to AWS S3 Storage.");
         }
+        /// <summary>
+        /// Upload file to AWS S3 cloud storage
+        /// </summary>
+        /// <param name="bucketName"></param>
+        /// <param name="key"></param>
+        /// <param name="stream"></param>
+        /// <returns></returns>
         public async Task<MemoryStream> UploadDocumentToS3(string bucketName, string key, MemoryStream stream)
         {
             //Configure AWS credentials and region
@@ -119,7 +125,6 @@ public async Task<MemoryStream> UploadDocumentToS3(string bucketName, string key
             }
             return stream;
         }
-
         public IActionResult Privacy()
         {
             return View();