Refine the definition of net_sockets.h
Clarified the purport of net_socket.h to make its purpose clearer.
*
* The network sockets module provides an example integration of the
* Mbed TLS library into a BSD sockets implementation. The module is
- * intended to be both an example of how Mbed TLS can be integrated
- * into a networking stack, and also act as Mbed TLS's integration on
- * the supported platforms.
+ * intended to be an example of how Mbed TLS can be integrated into a
+ * networking stack, as well as to be Mbed TLS's network integration
+ * for its supported platforms.
*
- * The module is intended only for the use of the Mbed TLS library and
- * is not intended to be used by third party application software.
+ * The module is intended only to be used with the Mbed TLS library and
+ * is not intended to be used by third party application software
+ * directly.
*
* The supported platforms are as follows:
* * Microsoft Windows and Windows CE
