diff --git a/gshmm.go b/gshmm.go
index 2e4a9bf..d125d33 100644
--- a/gshmm.go
+++ b/gshmm.go
@@ -29,10 +29,6 @@ const minCharsUntilFilter = 2
 
 var helpFlag bool
 
-type Configuration struct {
-	ManualDir string
-}
-
 func handleCliFlags() {
 	flag.BoolVar(&helpFlag, "h", false, "output help")
 	flag.Parse()
@@ -112,6 +108,7 @@ func initialModel() model {
 		return nil
 	})
 
+	// TODO: set width/heigh to match terminal
 	viewp := viewport.New(60, 30)
 	viewp.SetContent(ds[len(ds)-1].contents)
 
@@ -120,7 +117,6 @@ func initialModel() model {
 		datasheets:        ds,
 		dataSheetViewport: viewp,
 	}
-	// TODO: which index is the datasheet closest to the filter input?
 	m.dataSheetsView = m.dataSheetNames()
 
 	return m
@@ -155,11 +151,15 @@ func (m model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 			m.dataSheetsView = m.dataSheetNames()
 		}
 
+		// TODO: implement cursor for scrolling up/down filtered
+		//       results so we can view the PDF contents as desired
+		//       it's currently just the last one (closed to input)
 		lastDatasheet := m.dataSheetsView[len(m.dataSheetsView)-1]
 		viewportText := m.datasheetFromName(lastDatasheet)
 		m.dataSheetViewport.SetContent(viewportText)
 	}
 
+	// TODO: handle terminal resizing
 	switch msg := msg.(type) {
 	case tea.KeyMsg:
 		switch msg.String() {
@@ -171,8 +171,6 @@ func (m model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 	m.filterInput, cmd = m.filterInput.Update(msg)
 	cmds = append(cmds, cmd)
 
-	// TODO figure out how update viewport when filtering
-	// the last item in m.dataSheetsView should be shown
 	m.dataSheetViewport, cmd = m.dataSheetViewport.Update(msg)
 	cmds = append(cmds, cmd)