ellie-csharp-6.task.markdown

@@ -18,13 +18,14 @@ class FileState
         {
             using (FileStream fs = new FileStream(@"C:\Users\Jaehyun\Desktop\user.txt", FileMode.Open))
             {
+                //synchronous call
                 byte[] buf = new byte[fs.Length];
                 fs.Read(buf, 0, buf.Length);
 
                 string txt = Encoding.UTF8.GetString(buf);
                 Console.WriteLine(txt);
 
-                // asynchronous call
+                //asynchronous call
                 FileState state = new FileState();
                 state.Buffer = new byte[fs.Length];
                 state.File = fs;