diff --git a/websocket-sharp/Server/WebSocketSessionManager.cs b/websocket-sharp/Server/WebSocketSessionManager.cs
index 4a243448..ee7d50b5 100644
--- a/websocket-sharp/Server/WebSocketSessionManager.cs
+++ b/websocket-sharp/Server/WebSocketSessionManager.cs
@@ -528,13 +528,13 @@ namespace WebSocketSharp.Server
#region Public Methods
///
- /// Sends to every client in the WebSocket service.
+ /// Sends the specified data to every client in the WebSocket service.
///
///
- /// An array of that represents the binary data to send.
+ /// An array of that specifies the binary data to send.
///
///
- /// The current state of the manager is not Start.
+ /// The current state of the service is not Start.
///
///
/// is .