* if_update() is called by the low-level platform dependent code
* whenever it notices an interface change.
*
- * There exist two types of interface updates: synchronous and asynchronous
+ * There exist two types of interface updates -- synchronous and asynchronous
* ones. In the synchronous case, the low-level code calls if_start_update(),
* scans all interfaces reported by the OS, uses if_update() and ifa_update()
* to pass them to the core and then it finishes the update sequence by