Ticket #39836: 39836#.patch

src/wp-admin/includes/theme-install.php

@@ -140 +140 @@
  */
 function install_themes_upload() {
 ?>
-<p class="install-help"><?php _e('If you have a theme in a .zip format, you may install it by uploading it here.'); ?></p>
+<p class="install-help"><?php echo sprintf( __( 'If you have a theme in a .zip format and smaller than %u MB, you may install it by uploading it here.' ), size_format( wp_max_upload_size() ) ); ?></p>
 <form method="post" enctype="multipart/form-data" class="wp-upload-form" action="<?php echo self_admin_url('update.php?action=upload-theme'); ?>">
         <?php wp_nonce_field( 'theme-upload' ); ?>
         <label class="screen-reader-text" for="themezip"><?php _e( 'Theme zip file' ); ?></label>