diff --git a/src/window.cc b/src/window.cc
index ab885ca9..2fda7770 100644
--- a/src/window.cc
+++ b/src/window.cc
@@ -347,7 +347,7 @@ void Window::clear_display_buffer()
 void Window::on_option_changed(const Option& option)
 {
     run_hook_in_own_context(Hook::WinSetOption, format("{}={}", option.name(), option.get_desc_string()));
-    // an highlighter might depend on the option, so we need to redraw
+    // a highlighter might depend on the option, so we need to redraw
     force_redraw();
 }