Improve comments

Author: VirtualPirate

plugins/upload/src/lib.rs

@@ -104,13 +104,13 @@ async fn download(
     let progress_speed_clone = Arc::clone(&progress_speed);
     let accumulated_progress_clone = Arc::clone(&accumulated_progress);
 
-    // Spawn a thread that runs on timely manner to update relative progress
+    // Spawn a thread that runs on timely manner to update progress speed
     let _progress_thread = thread::spawn(move || {
         loop {
             {
                 let mut progress_speed = progress_speed_clone.lock().unwrap();
                 let mut accumulated_progress = accumulated_progress_clone.lock().unwrap();
-                *progress_speed = *accumulated_progress; 
+                *progress_speed = *accumulated_progress; // Set the speed to the accumulated progress
                 *accumulated_progress = 0; // Reset the accumulated progress every second
             }
             thread::sleep(Duration::from_secs(1));