PrefetchStream: changed debug message

SMBLibrary/Utilities/PrefetchedStream.cs

@@ -34,7 +34,7 @@ namespace Utilities
                         m_cacheOffset = 0;
                         m_cache = new byte[CacheSize];
                         int bytesRead = m_stream.Read(m_cache, 0, CacheSize);
-                        System.Diagnostics.Debug.Print("[{0}] bytes read {1}", DateTime.Now.ToString("HH:mm:ss:ffff"), bytesRead);
+                        System.Diagnostics.Debug.Print("[{0}] {1} bytes have been prefetched.", DateTime.Now.ToString("HH:mm:ss:ffff"), bytesRead);
                         this.Position = 0;
                         if (bytesRead < CacheSize)
                         {