* Disable rx-data:
* If cmx is realized in hardware, rx data will be disabled if requested by
* the upper layer. If dtmf decoding is done by software and enabled, rx data
- * will not be diabled but blocked to the upper layer.
+ * will not be disabled but blocked to the upper layer.
*
* HFC conference engine:
* If it is possible to realize all features using hardware, hardware will be