diff --git a/src/backend/commands/vacuumparallel.c b/src/backend/commands/vacuumparallel.c
index dd355a3d246..767d162e578 100644
--- a/src/backend/commands/vacuumparallel.c
+++ b/src/backend/commands/vacuumparallel.c
@@ -1215,9 +1215,9 @@ parallel_vacuum_main(dsm_segment *seg, shm_toc *toc)
 	 * table, and the worker inherits the flag by importing the leader's
 	 * snapshot (see ProcArrayInstallRestoredXmin). The leader's other flags
 	 * don't reach the worker: the snapshot import copies only the
-	 * PROC_XMIN_FLAGS bits, so PROC_VACUUM_FOR_WRAPAROUND isn't carried
-	 * over, and PROC_IS_AUTOVACUUM is never set on the worker in the first
-	 * place since parallel workers run as regular background workers, not
+	 * PROC_XMIN_FLAGS bits, so PROC_VACUUM_FOR_WRAPAROUND isn't carried over,
+	 * and PROC_IS_AUTOVACUUM is never set on the worker in the first place
+	 * since parallel workers run as regular background workers, not
 	 * autovacuum workers.
 	 */
 	Assert(MyProc->statusFlags == PROC_IN_VACUUM);