\r
/**\r
This function of this type is called when a timer interrupt fires. This \r
- function executes at TPL_HIGH_LEVEL. The DXE Core will register a funtion\r
+ function executes at TPL_HIGH_LEVEL. The DXE Core will register a function\r
of this type to be called for the timer interrupt, so it can know how much \r
time has passed. This information is used to signal timer based events. \r
\r