* Theory of Operation:
* The Watch-Dog Timer is provided to ensure that standalone
* Systems can always recover from catastrophic conditions that
- * caused the CPU to crash. This condition may have occured by
+ * caused the CPU to crash. This condition may have occurred by
* external EMI or a software bug. When the CPU stops working
* correctly, hardware on the board will either perform a hardware
* reset (cold boot) or a non-maskable interrupt (NMI) to bring the