diff --git a/gshmm.go b/gshmm.go
index d49443d..cf76639 100644
--- a/gshmm.go
+++ b/gshmm.go
@@ -143,6 +143,9 @@ func loadDatasheets(m model) loadedDatasheetsMsg {
 	var datasheets []datasheet
 	var datasheetNames []string
 
+	// TODO: have this gradually update the UI as files are walked/parsed instead
+	//       of blocking until everything is done in one big go. the current loading
+	//       spinner will be there for a while on actually many manuals
 	// TODO: handle error in interface?
 	_ = filepath.Walk(".", func(path string, info os.FileInfo, err error) error {
 		if err != nil {