diff --git a/docs/programmers/api-variables/variable-escape-html.md b/docs/programmers/api-variables/variable-escape-html.md
index 39ff2802..87c7b967 100644
--- a/docs/programmers/api-variables/variable-escape-html.md
+++ b/docs/programmers/api-variables/variable-escape-html.md
@@ -3,7 +3,7 @@
 
 Setting `$escape_html` to TRUE will escape all template variable output
 by wrapping it in
-`htmlspecialchars({$output}, ENT_QUOTES, SMARTY_RESOURCE_CHAR_SET);`,
+`htmlspecialchars({$output}, ENT_QUOTES, $char_set);`,
 which is the same as `{$variable|escape:"html"}`.
 
 Template designers can choose to selectively disable this feature by
diff --git a/docs/programmers/charset.md b/docs/programmers/charset.md
index 72842b3f..c8476d86 100644
--- a/docs/programmers/charset.md
+++ b/docs/programmers/charset.md
@@ -5,10 +5,10 @@ Charset Encoding {#charset.encoding}
 ================
 
 There are a variety of encodings for textual data, ISO-8859-1 (Latin1)
-and UTF-8 being the most popular. Unless specified otherwise with the
-`SMARTY_RESOURCE_CHAR_SET` constant, Smarty recognizes `UTF-8` as the
-internal charset if [Multibyte String](https://www.php.net/mbstring) is
-available, `ISO-8859-1` if not.
+and UTF-8 being the most popular. Unless you change `Smarty::$_CHARSET`, 
+Smarty recognizes `UTF-8` as the internal charset if 
+[Multibyte String](https://www.php.net/mbstring) is available, 
+`ISO-8859-1` if not.
 
 > **Note**
 >
@@ -36,8 +36,9 @@ available, `ISO-8859-1` if not.
     if (function_exists('mb_internal_charset')) {
       mb_internal_charset('EUC-JP');
     }
-    define('SMARTY_RESOURCE_CHAR_SET', 'EUC-JP');
+
     require_once 'libs/Smarty.class.php';
+    Smarty::$_CHARSET = 'EUC-JP';
     $smarty = new Smarty();