diff --git a/gshmm.go b/gshmm.go
index 93376c1..88031bc 100644
--- a/gshmm.go
+++ b/gshmm.go
@@ -334,7 +334,7 @@ func (m model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 			m.toggleFilterMode()
 		case "enter":
 			// TODO: fire content search query
-		case "o":
+		case "ctrl+o":
 			selectedDatasheet := m.datasheets[len(m.datasheets)-1]
 			// TODO: handle error
 			_ = xdg.Open(selectedDatasheet.absPath)
@@ -376,7 +376,7 @@ func (m model) View() string {
 	}
 	body.WriteString("\n" + mode)
 
-	help := "[ctrl-c]: quit | [tab]: filter mode | [o]: open"
+	help := "[ctrl+c]: quit | [tab]: filter mode | [ctrl+o]: open pdf"
 	body.WriteString("\n" + help)
 
 	peers := fmt.Sprintf("peers: %s", strings.Join(m.peerAddresses(), "|"))