diff --git a/core/modules/statistics/src/Tests/StatisticsLoggingTest.php b/core/modules/statistics/src/Tests/StatisticsLoggingTest.php
index dd1debb2b1..f598a6fee4 100644
--- a/core/modules/statistics/src/Tests/StatisticsLoggingTest.php
+++ b/core/modules/statistics/src/Tests/StatisticsLoggingTest.php
@@ -132,6 +132,9 @@ public function testLogging() {
     $node_id = 10000000000000000;
     $node = Node::load($node_id);
     $this->assertNull($node);
+
+    // This is a test specifically for the deprecated statistics_get() function
+    // and so should remain unconverted until that function is removed.
     $result = statistics_get($node_id);
     $this->assertIdentical($result, FALSE);
   }