timer.md in flok-0.0.88

- old
+ new

@@ -2,9 +2,10 @@
 
 ###Functions
 `if_timer_init(tps)` - Initiate a timer that calls `int_timer` N `tps` (ticsk per second). This is always called via the cpu scheduling class (3)
 
 ###Interrupts
-`int_timer` - Called by the device at the rate described in `tps`. This function lives inside the `timer` service's initialization portion.
+`int_timer()` - Called by the device at the rate described in `tps`. This function lives inside the `timer` service's initialization portion.
+A. Requires the timer module.
 
 ###Callout
 The kernel's `int_timer` function gets sent to `callout_wakeup()` located in `callout.js`.