ipv6: doxygen fixes
Remove a word and fix some formatting.
@@ -83,7 +83,7 @@ struct simple_udp_connection {
* \param local_port The local UDP port in host byte order
* \param remote_addr The remote IP address
* \param remote_port The remote UDP port in host byte order
- * \param receive_callback A pointer to a function of to be called for incoming packets
+ * \param receive_callback A pointer to a function to be called for incoming packets
* \retval 0 If no UDP connection could be allocated
* \retval 1 If the connection was successfully allocated
*
