diff --git a/websocket-sharp/WebSocket.cs b/websocket-sharp/WebSocket.cs
index 52be77cd..dfc730b4 100644
--- a/websocket-sharp/WebSocket.cs
+++ b/websocket-sharp/WebSocket.cs
@@ -2696,7 +2696,7 @@ namespace WebSocketSharp
/// Sends the specified file as the binary data using the WebSocket connection.
///
///
- /// A that specifies the file to send.
+ /// A that specifies a file to send.
///
///
/// The current state of the connection is not Open.