diff --git a/gtk2_ardour/loudness_dialog.cc b/gtk2_ardour/loudness_dialog.cc
index 7404bd672c..10cf1a4620 100644
--- a/gtk2_ardour/loudness_dialog.cc
+++ b/gtk2_ardour/loudness_dialog.cc
@@ -583,7 +583,9 @@ LoudnessDialog::display_results ()
 	ExportAnalysisPtr p = ar.begin()->second;
 
 	if (!p->have_loudness || !p->have_dbtp) {
-		ArdourMessageDialog (_("True-peak and loudness measurement failed. Likely Ardour's VAMP analysis plugin is missing from your installation. Please contact your vendor."), false, MESSAGE_ERROR).run ();
+		ArdourMessageDialog (
+				string_compose (_("True-peak and loudness measurement failed. %1-VAMP analysis plugin is missing on your system. Please contact your vendor."), PROGRAM_NAME),
+				false, MESSAGE_ERROR).run ();
 	}
 
 	_dbfs   = accurate_coefficient_to_dB (p->peak);
diff --git a/gtk2_ardour/midi_time_axis.cc b/gtk2_ardour/midi_time_axis.cc
index a7289b2685..01d3d9e874 100644
--- a/gtk2_ardour/midi_time_axis.cc
+++ b/gtk2_ardour/midi_time_axis.cc
@@ -1210,7 +1210,7 @@ MidiTimeAxisView::show_all_automation (bool apply_to_selection)
 
 		md.set_title (_("Show All Automation"));
 
-		md.set_secondary_text (_("There are a total of 16 MIDI channels times 128 Control-Change parameters, not including other MIDI controls. Showing all will add more than 2000 automation lanes which is not generally useful. This will take some time and also slow down Ardour's GUI signficantly."));
+		md.set_secondary_text (_("There are a total of 16 MIDI channels times 128 Control-Change parameters, not including other MIDI controls. Showing all will add more than 2000 automation lanes which is not generally useful. This will take some time and also slow down the GUI signficantly."));
 		if (md.run () != RESPONSE_YES) {
 			return;
 		}
diff --git a/gtk2_ardour/rc_option_editor.cc b/gtk2_ardour/rc_option_editor.cc
index bdca9968a4..71ddc6f615 100644
--- a/gtk2_ardour/rc_option_editor.cc
+++ b/gtk2_ardour/rc_option_editor.cc
@@ -3719,7 +3719,7 @@ RCOptionEditor::RCOptionEditor ()
 	add_option (_("Plugins/VST"),
 	     new BoolOption (
 		     "conceal-vst2-if-vst3-exists",
-		     _("Conceal VST2 Plugins if matching VST3 exists"),
+		     _("Conceal VST2 Plugin if matching VST3 exists"),
 		     sigc::mem_fun (*_rc_config, &RCConfiguration::get_conceal_vst2_if_vst3_exists),
 		     sigc::mem_fun (*_rc_config, &RCConfiguration::set_conceal_vst2_if_vst3_exists)
 		     ));