Variable name typo in launcher.c

diff --git a/src/backend/replication/logical/launcher.c b/src/backend/replication/logical/launcher.c
index d222cff..f028d38 100644
--- a/src/backend/replication/logical/launcher.c
+++ b/src/backend/replication/logical/launcher.c
@@ -73,7 +73,7 @@ static void logicalrep_worker_onexit(int code, Datum arg);
 static void logicalrep_worker_detach(void);
 
 bool		got_SIGTERM = false;
-static bool	on_commit_laucher_wakeup = false;
+static bool	on_commit_launcher_wakeup = false;
 
 Datum pg_stat_get_subscription(PG_FUNCTION_ARGS);
 
@@ -170,7 +170,7 @@ WaitForReplicationWorkerAttach(LogicalRepWorker *worker,
 
 		/*
 		 * Worker started and attached to our shmem. This check is safe
-		 * because only laucher ever starts the workers, so nobody can steal
+		 * because only launcher ever starts the workers, so nobody can steal
 		 * the worker slot.
 		 */
 		if (status == BGWH_STARTED && worker->proc)
@@ -526,7 +526,7 @@ ApplyLauncherShmemInit(void)
 void
 AtCommit_ApplyLauncher(void)
 {
-	if (on_commit_laucher_wakeup)
+	if (on_commit_launcher_wakeup)
 		ApplyLauncherWakeup();
 }
 
@@ -540,8 +540,8 @@ AtCommit_ApplyLauncher(void)
 void
 ApplyLauncherWakeupAtCommit(void)
 {
-	if (!on_commit_laucher_wakeup)
-		on_commit_laucher_wakeup = true;
+	if (!on_commit_launcher_wakeup)
+		on_commit_launcher_wakeup = true;
 }
 
 void