Update rest client comment
/**
* \brief Execute REST call and pass everything in single shot
- * \param[in] m: HTTP method to ue
+ * \param[in] m: HTTP method used in request header
* \param[in] uri: URI to open, including "http[s]://". Example: "http://example.com:80/test/data?param1=param2..."
* \param[in] tx_data: Optional TX data to send. Usually not used on `GET` method
* \param[in] tx_len: Optional length of TX data in units of bytes
