* \param rootFunc A callback that can be used to add extra
* packages to the root set.
*
- * \return \b false if an error occured.
+ * \return \b false if an error occurred.
*/
bool MarkRequired(InRootSetFunc &rootFunc);
* are tested to see whether they are actually garbage. If so,
* they are marked as such.
*
- * \return \b false if an error occured.
+ * \return \b false if an error occurred.
*/
bool Sweep();