added notes about a problem we saw
diff --git a/frc971/control_loops/hall_effect_tracker.h b/frc971/control_loops/hall_effect_tracker.h
index b63a34b..4e3981e 100644
--- a/frc971/control_loops/hall_effect_tracker.h
+++ b/frc971/control_loops/hall_effect_tracker.h
@@ -8,6 +8,7 @@
namespace frc971 {
// TODO(brians): Have a Reset() for when the cape resets.
+// TODO(aschuh): Can we filter for 2 cycles instead of just 1?
class HallEffectTracker {
public:
int32_t get_posedges() const { return posedges_.count(); }