Index: sys/amd64/linux/linux_machdep.c
===================================================================
--- sys/amd64/linux/linux_machdep.c
+++ sys/amd64/linux/linux_machdep.c
@@ -119,7 +119,7 @@
 
 	/*
 	 * The newly created Linux thread returns
-	 * to the user space by the same path that a parent do.
+	 * to the user space by the same path that a parent does.
 	 */
 	td->td_frame->tf_rax = 0;
 	return (0);