* quickly from the numeric pid value. The attached processes may be
* quickly accessed by following pointers from struct pid.
*
- * Storing pid_t values in the kernel and refering to them later has a
+ * Storing pid_t values in the kernel and referring to them later has a
* problem. The process originally with that pid may have exited and the
* pid allocator wrapped, and another process could have come along
* and been assigned that pid.