*
* CPU caches (L1 and L2)
* DMA engines
- * Core CPU swithces
+ * Core CPU switches
* Fabric switch units
* PCIe interface controllers
* other EDAC/ECC type devices that can be monitored for
* errors, etc.
*
- * It allows for a 2 level set of hiearchry. For example:
+ * It allows for a 2 level set of hierarchy. For example:
*
* cache could be composed of L1, L2 and L3 levels of cache.
* Each CPU core would have its own L1 cache, while sharing