diff --git a/handlers/score_heap.go b/handlers/score_heap.go
index a141471..509ce92 100644
--- a/handlers/score_heap.go
+++ b/handlers/score_heap.go
@@ -13,12 +13,14 @@ func (h ScoreHeap) Len() int           { return len(h) }
 func (h ScoreHeap) Less(i, j int) bool { return h[i].Score < h[j].Score }
 func (h ScoreHeap) Swap(i, j int)      { h[i], h[j] = h[j], h[i] }
 
+// Push onto the heap
 func (h *ScoreHeap) Push(x interface{}) {
 	// Push and Pop use pointer receivers because they modify the slice's length,
 	// not just its contents.
 	*h = append(*h, x.(scoreItem))
 }
 
+// Pop item off of the heap
 func (h *ScoreHeap) Pop() interface{} {
 	old := *h
 	n := len(old)