diff --git a/src/tangara/input/lvgl_input_driver.cpp b/src/tangara/input/lvgl_input_driver.cpp
index 60d9f816..c008b007 100644
--- a/src/tangara/input/lvgl_input_driver.cpp
+++ b/src/tangara/input/lvgl_input_driver.cpp
@@ -215,6 +215,8 @@ auto LvglInputDriver::pushHooks(lua_State* L) -> int {
   for (auto& dev : inputs_) {
     auto triggers = dev->triggers();
     if (triggers.empty()) {
+      // Some devices, e.g. hard reset, have no triggers. Don't include them
+      // in the hooks table.
       continue;
     }