diff --git a/doc/setup.rst b/doc/setup.rst
index 3b8b5bc696..1274e3c525 100644
--- a/doc/setup.rst
+++ b/doc/setup.rst
@@ -146,6 +146,14 @@ environment variables:
     The fully-qualified path (``https://pma.example.net/``) where the reverse
     proxy makes phpMyAdmin available.
 
+.. envvar:: PHP_UPLOAD_MAX_FILESIZE
+   
+    Define upload_max_filesize and post_max_size PHP settings.
+
+.. envvar:: PHP_MAX_INPUT_VARS
+   
+    Define max_input_vars PHP setting.
+
 By default, :ref:`cookie` is used, but if :envvar:`PMA_USER` and
 :envvar:`PMA_PASSWORD` are set, it is switched to :ref:`auth_config`.