* ThinkPads from this same time period (and earlier) probably lack the
* tachometer as well.
*
- * Unfortunately a lot of ThinkPads with new-style ECs but whose firwmare
+ * Unfortunately a lot of ThinkPads with new-style ECs but whose firmware
* was never fixed by IBM to report the EC firmware version string
* probably support the tachometer (like the early X models), so
* detecting it is quite hard. We need more data to know for sure.