Correct typo in documentation of MBEDTLS_SSL_MAX_CONTENT_LEN
*
* \note When using a value less than the default of 16KB on the client, it is
* recommended to use the Maximum Fragment Length (MFL) extension to
- * to inform the server about this limitation. On the server, there
+ * inform the server about this limitation. On the server, there
* is no supported, standardized way of informing the client about
* restriction on the maximum size of incoming messages, and unless
* the limitation has been communicated by other means, it is recommended
*
* \note When using a value less than the default of 16KB on the client, it is
* recommended to use the Maximum Fragment Length (MFL) extension to
- * to inform the server about this limitation. On the server, there
+ * inform the server about this limitation. On the server, there
* is no supported, standardized way of informing the client about
* restriction on the maximum size of incoming messages, and unless
* the limitation has been communicated by other means, it is recommended
