private:
// ProcessInterval - This method is used during the construction of the
// interval graph. It walks through the source graph, recursively creating
- // an interval per invokation until the entire graph is covered. This uses
+ // an interval per invocation until the entire graph is covered. This uses
// the ProcessNode method to add all of the nodes to the interval.
//
// This method is templated because it may operate on two different source