diff --git a/sched/wqueue/kwork_notifier.c b/sched/wqueue/kwork_notifier.c
index 7230b0d13b7..b49f20a7de6 100644
--- a/sched/wqueue/kwork_notifier.c
+++ b/sched/wqueue/kwork_notifier.c
@@ -295,7 +295,7 @@ void work_notifier_teardown(int key)
 
   flags = enter_critical_section();
 
-  /* Find the entry matching this PID in the g_notifier_pending list.  We
+  /* Find the entry matching this key in the g_notifier_pending list.  We
    * assume that there is only one.
    */
 
@@ -349,7 +349,7 @@ void work_notifier_signal(enum work_evtype_e evtype,
   irqstate_t flags;
 
   /* Don't let any newly started threads block this thread until all of
-   * the notifications and been sent.
+   * the notifications have been sent.
    */
 
   flags = enter_critical_section();
@@ -376,7 +376,7 @@ void work_notifier_signal(enum work_evtype_e evtype,
       notifier = (FAR struct work_notifier_entry_s *)entry;
       info     = &notifier->info;
 
-      /* Check if this is the a notification request for the event that
+      /* Check if this is a notification request for the event that
        * just occurred.
        */