Added API doc for missing parameter

java/com.sap.sailing.server.gateway/webservices/api/v1/leaderboardGroupMigrate.html

@@ -32,7 +32,8 @@
 	<tr>
 		<td>Optional parameters:</td>
         <td>existingGroupId group that should be changed, required for createNewGroup = false</td>
-        <td>newGroupName name of the new group, required for createNewGroup = true</td>
+        <td>newGroupName name of the new group, required for createNewGroup = true<br>
+        copyMembersAndRoles determines if the members and roles are copied (default: true)</td>
 	</tr>
 	<tr>
 		<td>Request method:</td>