diff --git a/ui/treeviews.go b/ui/treeviews.go
index a62e40b..5ea17e3 100644
--- a/ui/treeviews.go
+++ b/ui/treeviews.go
@@ -45,6 +45,7 @@ func NewTextChannelTreeNode(c discord.Channel) (n *tview.TreeNode) {
 	return
 }
 
+// GetTreeNodeByReference gets the TreeNode that has reference r from the given treeview.
 func GetTreeNodeByReference(r interface{}, treeV *tview.TreeView) (mn *tview.TreeNode) {
 	treeV.GetRoot().Walk(func(n, _ *tview.TreeNode) bool {
 		if n.GetReference() == r {