Shorten comments

esphome/core/application.h

@@ -384,10 +384,7 @@ class Application {
   friend void ::setup();
   friend void ::original_setup();
 
-  /// Update the cached loop component start time. Used by the scheduler before
-  /// dispatching a queued callback so callers reading
-  /// get_loop_component_start_time() inside the callback observe a fresh value
-  /// instead of one inherited from the prior loop iteration's last component.
+  /// Freshen the cached loop component start time. Called by Scheduler before each dispatch.
   void set_loop_component_start_time_(uint32_t now) { this->loop_component_start_time_ = now; }
 
   /// Walk all registered components looking for any whose component_state_

esphome/core/scheduler.cpp

@@ -772,10 +772,7 @@ Scheduler::SchedulerItem *HOT Scheduler::pop_raw_locked_() {
 // Helper to execute a scheduler item
 uint32_t HOT Scheduler::execute_item_(SchedulerItem *item, uint32_t now) {
   App.set_current_component(item->component);
-  // Freshen the cached loop component start time so callbacks reading
-  // App.get_loop_component_start_time() observe the dispatch time of this
-  // item rather than a stale value from the prior loop iteration's last
-  // component phase.
+  // Freshen so callbacks reading App.get_loop_component_start_time() see this item's dispatch time.
   App.set_loop_component_start_time_(now);
   WarnIfComponentBlockingGuard guard{item->component, now};
   item->callback();