diff --git a/Doc/Sd1/objectsClasses.xml b/Doc/Sd1/objectsClasses.xml
index 9cbd1347282e5ef76266fbaa0c0a60825ede48f1..82b9fe33cb5b5115f0d4908679f6c30a2dcbc8a6 100644
--- a/Doc/Sd1/objectsClasses.xml
+++ b/Doc/Sd1/objectsClasses.xml
@@ -1618,7 +1618,7 @@ public class SetterAccess {
       </figure>
     </section>
 
-    <section xml:id="sd1_typeSignature_slide">
+    <section xml:id="sd1_typeSignature">
       <title>Signatures</title>
 
       <info>