fix several format and comment issues
@@ -2582,7 +2582,7 @@ int mbedtls_ssl_session_save( const mbedtls_ssl_session *session,
* the server supports.
*
* \warning The ciphersuites array \p ciphersuites is not copied.
- * It must remain valid for the lifetime the SSL
+ * It must remain valid for the lifetime of the SSL
* configuration \p conf.
*
* \param conf The SSL configuration to modify.
