diff --git a/winsup/doc/new-features.xml b/winsup/doc/new-features.xml
index e3786e545..7cc449764 100644
--- a/winsup/doc/new-features.xml
+++ b/winsup/doc/new-features.xml
@@ -4,7 +4,7 @@
 
 <sect1 id="ov-new"><title>What's new and what changed in Cygwin</title>
 
-<sect2 id="ov-new2.11"><title>What's new and what changed in 2.12</title>
+<sect2 id="ov-new2.12"><title>What's new and what changed in 2.12</title>
 
 <itemizedlist mark="bullet">