update POJO wiki link

(cherry picked from commit f53d136)

Author: rustagir

source/fundamentals/data-formats/document-data-format-pojo.txt

@@ -28,7 +28,7 @@ data representation.
 .. tip::
 
    To learn more about POJOs, see the :wikipedia:`Plain old Java object
-   <w/index.php?title=Plain_old_Java_object&oldid=1143317019>` Uncyclopedia article.
+   <w/index.php?title=Plain_old_Java_object&oldid=1219064986>` Uncyclopedia article.
 
 The example in this guide demonstrates how to perform the following
 tasks: