diff --git a/gtk2_ardour/missing_filesource_dialog.cc b/gtk2_ardour/missing_filesource_dialog.cc
index a63e1efba1..c6b29a12de 100644
--- a/gtk2_ardour/missing_filesource_dialog.cc
+++ b/gtk2_ardour/missing_filesource_dialog.cc
@@ -62,7 +62,7 @@ MissingFileSourceDialog::MissingFileSourceDialog (Session * s, list<string> cons
 
 	if (dt == DataType::MIDI) {
 		t << _("Editing the MIDI files by adding new content will re-create the file and disable this warning,\n"
-		       "but also prevent future recovery of the original in the exising region(s).\n");
+		       "but also prevent future recovery of the original in the existing region(s).\n");
 	}
 
 	m->set_markup (t.str ());