diff --git a/Doc/Sd1/objectsClasses.xml b/Doc/Sd1/objectsClasses.xml
index f5412b149ede06c524a2c38c5732d13366eeff4f..7041c332c83442d7bea3e3cff072d6828482af69 100644
--- a/Doc/Sd1/objectsClasses.xml
+++ b/Doc/Sd1/objectsClasses.xml
@@ -2903,7 +2903,7 @@ public class Circle {
 
               <programlisting language="java">public class Circle {
 
-  double radius;
+  private double radius;
 ...
 }</programlisting>
 
@@ -2942,7 +2942,7 @@ public class Circle {
  */
 public class Circle {
 
-  double radius;
+  private double radius;
 
   /**
    * A new circle