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diff --git a/src/tests/threads/priority-change.c b/src/tests/threads/priority-change.c
index 456de33a27217c4e5647bb2b1329635ee836ad8c..735920ffe49fa309b5088aa9290bf4ed4aee2b6c 100644 (file)
--- a/src/tests/threads/priority-change.c
+++ b/src/tests/threads/priority-change.c
@@ -1,3 +1,7 @@
+/* Verifies that lowering a thread's priority so that it is no
+   longer the highest-priority thread in the system causes it to
+   yield immediately. */
+
 #include <stdio.h>
 #include "tests/threads/tests.h"
 #include "threads/init.h"