diff --git a/src-standard/main/java/javax/time/chrono/CopticChrono.java b/src-standard/main/java/javax/time/chrono/CopticChrono.java
index <HASH>..<HASH> 100644
--- a/src-standard/main/java/javax/time/chrono/CopticChrono.java
+++ b/src-standard/main/java/javax/time/chrono/CopticChrono.java
@@ -65,14 +65,17 @@ import javax.time.calendrical.CalendricalObject;
  */
 public final class CopticChrono extends Chrono implements Serializable {
 
-    private static final long serialVersionUID = 1L;
-
     /**
      * Singleton instance.
      */
     public static final CopticChrono INSTANCE = new CopticChrono();
 
     /**
+     * Serialization version.
+     */
+    private static final long serialVersionUID = 1L;
+
+    /**
      * Restricted constructor.
      */
     private CopticChrono() {
Javadoc, move field to correct location in file