diff --git a/tests/end-to-end/_files/phpt-skipif-location-hint-example.phpt b/tests/end-to-end/_files/phpt-skipif-location-hint-example.phpt
index 1437dcc6609..b28316fc5ba 100644
--- a/tests/end-to-end/_files/phpt-skipif-location-hint-example.phpt
+++ b/tests/end-to-end/_files/phpt-skipif-location-hint-example.phpt
@@ -6,6 +6,7 @@ print "Nothing to see here, move along";
 ?>
 --SKIPIF--
 <?php
+// Force skip by writing 'skip:' to STDOUT at the start a line
 print "skip: something terrible happened\n";
 ?>
 --EXPECT--