Update README.md

Author: mianzaid

README.md

@@ -139,3 +139,18 @@ print "<pre>";
 print_r($upload->uploadedData);
 print "</pre>";
 ```
+
+## Upload file size change on server
+
+There is a possibility the upload file size is not set on a server, default 2MB value is set on a server. If you face this type of issue just find the right path of your **php.ini** file and change the bleow two parameters.
+
+**upload_max_filesize** = 2M
+**post_max_size** = 8M
+
+Change to below.
+
+**upload_max_filesize** = 100M
+**post_max_size** = 150M
+
+### Remember:
+post max size should be grater than upload max filesize.