diff --git a/trunk/src/app/srs_app_source.hpp b/trunk/src/app/srs_app_source.hpp
index 6e730cde6..613c7240f 100644
--- a/trunk/src/app/srs_app_source.hpp
+++ b/trunk/src/app/srs_app_source.hpp
@@ -229,7 +229,7 @@ public:
 #endif
     // when client send the pause message.
     virtual srs_error_t on_play_client_pause(bool is_pause);
-    // ISrsWakable
+// Interface ISrsWakable
 public:
     // when the consumer(for player) got msg from recv thread,
     // it must be processed for maybe it's a close msg, so the cond
diff --git a/trunk/src/libs/srs_lib_simple_socket.cpp b/trunk/src/libs/srs_lib_simple_socket.cpp
index ac3d173f6..844932ea0 100644
--- a/trunk/src/libs/srs_lib_simple_socket.cpp
+++ b/trunk/src/libs/srs_lib_simple_socket.cpp
@@ -365,7 +365,7 @@ int SimpleSocketStream::connect(const char* server_ip, int port)
     return srs_hijack_io_connect(io, server_ip, port);
 }
 
-// ISrsReader
+// Interface ISrsReader
 srs_error_t SimpleSocketStream::read(void* buf, size_t size, ssize_t* nread)
 {
     srs_assert(io);
@@ -376,7 +376,7 @@ srs_error_t SimpleSocketStream::read(void* buf, size_t size, ssize_t* nread)
     return srs_success;
 }
 
-// ISrsProtocolReader
+// Interface ISrsProtocolReader
 void SimpleSocketStream::set_recv_timeout(srs_utime_t tm)
 {
     srs_assert(io);
@@ -395,7 +395,7 @@ int64_t SimpleSocketStream::get_recv_bytes()
     return srs_hijack_io_get_recv_bytes(io);
 }
 
-// ISrsProtocolWriter
+// Interface ISrsProtocolWriter
 void SimpleSocketStream::set_send_timeout(srs_utime_t tm)
 {
     srs_assert(io);
@@ -424,7 +424,7 @@ srs_error_t SimpleSocketStream::writev(const iovec *iov, int iov_size, ssize_t*
     return srs_success;
 }
 
-// ISrsProtocolReadWriter
+// Interface ISrsProtocolReadWriter
 bool SimpleSocketStream::is_never_timeout(srs_utime_t tm)
 {
     srs_assert(io);
diff --git a/trunk/src/libs/srs_lib_simple_socket.hpp b/trunk/src/libs/srs_lib_simple_socket.hpp
index 16685eadf..a03fa96b5 100644
--- a/trunk/src/libs/srs_lib_simple_socket.hpp
+++ b/trunk/src/libs/srs_lib_simple_socket.hpp
@@ -49,21 +49,21 @@ public:
     virtual srs_hijack_io_t hijack_io();
     virtual int create_socket(srs_rtmp_t owner);
     virtual int connect(const char* server, int port);
-// ISrsReader
+// Interface ISrsReader
 public:
     virtual srs_error_t read(void* buf, size_t size, ssize_t* nread);
-// ISrsProtocolReader
+// Interface ISrsProtocolReader
 public:
     virtual void set_recv_timeout(srs_utime_t tm);
     virtual srs_utime_t get_recv_timeout();
     virtual int64_t get_recv_bytes();
-// ISrsProtocolWriter
+// Interface ISrsProtocolWriter
 public:
     virtual void set_send_timeout(srs_utime_t tm);
     virtual srs_utime_t get_send_timeout();
     virtual int64_t get_send_bytes();
     virtual srs_error_t writev(const iovec *iov, int iov_size, ssize_t* nwrite);
-// ISrsProtocolReadWriter
+// Interface ISrsProtocolReadWriter
 public:
     virtual bool is_never_timeout(srs_utime_t tm);
     virtual srs_error_t read_fully(void* buf, size_t size, ssize_t* nread);