diff --git a/Documentation/DocBook/kernel-hacking.tmpl b/Documentation/DocBook/kernel-hacking.tmpl
index 6367bba32d22256dae461b2649c3f51367af93bc..582032eea87228352079b8b7002117151a79cc41 100644
--- a/Documentation/DocBook/kernel-hacking.tmpl
+++ b/Documentation/DocBook/kernel-hacking.tmpl
@@ -1105,7 +1105,7 @@ static struct block_device_operations opt_fops = {
     </listitem>
     <listitem>
      <para>
-      Function names as strings (__func__).
+      Function names as strings (__FUNCTION__).
      </para>
     </listitem>
     <listitem>