Index: branches/5.2.x/core/ckeditor/plugins/my_document/plugin.js
===================================================================
diff -u -N -r15042 -r16409
--- branches/5.2.x/core/ckeditor/plugins/my_document/plugin.js	(.../plugin.js)	(revision 15042)
+++ branches/5.2.x/core/ckeditor/plugins/my_document/plugin.js	(.../plugin.js)	(revision 16409)
@@ -13,7 +13,7 @@
 						{
 							label: 'Insert/Edit Document',
 							command: pluginName,
-							icon: CKEDITOR.plugins.getPath(pluginName) + 'images/document.gif'
+							icon: this.path + 'images/document.png'
 						}
 					);