*
* Testing during the PostgreSQL 9.2 development cycle revealed that on a
* large multi-processor system, it was possible to have more CLOG page
- * requests in flight at one time than the numebr of CLOG buffers which existed
+ * requests in flight at one time than the number of CLOG buffers which existed
* at that time, which was hardcoded to 8. Further testing revealed that
* performance dropped off with more than 32 CLOG buffers, possibly because
* the linear buffer search algorithm doesn't scale well.