diff --git a/class/settings.php b/class/settings.php
index 839403b..f1b2c80 100644
--- a/class/settings.php
+++ b/class/settings.php
@@ -22,7 +22,7 @@
  * 2.1.6  set default priority level of the_content to 98   2020-12-10T0447+0100
  * 2.2.0  reference container custom position shortcode  2020-12-13T2056+0100
  *
- * Last modified: 2020-12-13T2057+0100
+ * Last modified: 2020-12-13T2123+0100
  */
 
 
@@ -534,7 +534,7 @@ class MCI_Footnotes_Settings {
             // whether to enqueue additional style sheet:
             self::C_STR_FOOTNOTES_PAGE_LAYOUT_SUPPORT => 'none',
 
-			self::C_STR_REFERENCE_CONTAINER_POSITION_SHORTCODE      => '[[references]]',
+            self::C_STR_REFERENCE_CONTAINER_POSITION_SHORTCODE      => '[[references]]',
             self::C_BOOL_REFERENCE_CONTAINER_START_PAGE_ENABLE      => 'yes',
             self::C_BOOL_REFERENCE_CONTAINER_3COLUMN_LAYOUT_ENABLE  => 'no',
             self::C_BOOL_REFERENCE_CONTAINER_BACKLINK_SYMBOL_ENABLE => 'yes',
diff --git a/css/settings.css b/css/settings.css
index 64776be..5761adc 100755
--- a/css/settings.css
+++ b/css/settings.css
@@ -7,7 +7,7 @@
  *
  * Version: 2.2.0
  *
- * Last modified: 2020-12-13T2059+0100
+ * Last modified: 2020-12-13T2127+0100
  */
 
 
@@ -147,7 +147,7 @@ span.footnote_highlight_placeholder {
 .footnote_placeholder_box_example {
     border: 2px solid #2bb975 !important;
     border-radius: 4px !important;
-    padding-top: 16px 0 !important;
+    padding: 16px 0 !important;
     width: 50% !important;
     display: block !important;
     margin: 20px auto !important;
diff --git a/readme.txt b/readme.txt
index f82ce86..611b204 100755
--- a/readme.txt
+++ b/readme.txt
@@ -4,7 +4,7 @@ Tags: footnote, footnotes, bibliography, formatting, notes, Post, posts, referen
 Requires at least: 3.9
 Tested up to: 5.6
 Requires PHP: 5.6
-Stable Tag: 2.1.6
+Stable Tag: 2.2.0
 License: GPLv3 or later
 License URI: http://www.gnu.org/licenses/gpl-3.0.html