CMSIS-DSP: Correct issue
/**
* @brief Processing function for the floating-point cubic spline interpolation.
* @param[in] S points to an instance of the floating-point spline structure.
- * @param[in] xq points to the x values ot the interpolated data points.
+ * @param[in] xq points to the x values of the interpolated data points.
* @param[out] pDst points to the block of output data.
* @param[in] blockSize number of samples of output data.
*/
