diff --git a/config.php b/config.php
index 0d17d4b..9d771be 100644
--- a/config.php
+++ b/config.php
@@ -2,22 +2,26 @@
 /*
  * size: tiny, small, full
  *
- * 	tiny: 21KB (Markup, HTML, XML, SVG, MathML, SSML, Atom, RSS, CSS, C-like, JavaScript)
+ *        tiny: 21KB (Markup, HTML, XML, SVG, MathML, SSML, Atom, RSS, CSS, C-like, JavaScript)
  *
- *	small: 95KB (Markup, HTML, XML,SVG, MathML, SSML, Atom, RSS, CSS, C-Linke, JavaScript
- *		     Apache, Bash, Batch, BBCode, C, C#, C++, CSV, Diff, Go, HTTP, ini, Java
- *		     JSON, Makefile, Markdown, nginx, Perl, PHP, PowerShell, Python, Ruby
- *		     Shell session, SQL, VB.Net, Wiki markup, YML)
+ *        small: 95KB (Markup, HTML, XML,SVG, MathML, SSML, Atom, RSS, CSS, C-Linke, JavaScript
+ *                   Apache, Arduino, Bash Shell, Batch, BBCode, C, C#, C++, CMake, CSV, Diff, 
+ *           Docker, Git, Go, HTTP, ini, Java, JSON, Log file, Makefile, Markdown,nginx,
+ *           Pascal, Perl, PHP, PowerShell, Python, Ruby, Shell session, SQL, Typescript,
+ *           VB.Net, Visual Basic, Wiki markup, YML)
  *
- *	full: 567KB (see https://prismjs.com/index.html#supported-languages for list of supported languages)
+ *        full: 567KB (see https://prismjs.com/index.html#supported-languages for list of supported languages)
  *
  * theme: coy, dark, default, funky, okaidia, solarizedlight, tomorrow, twilight
- * 	 
+ * 
+ * plugins: line-numbers, unescaped-markup, diff-highlight, toolbar, copy-to-clipboard (depends on toolbar)
+ *       
  */
 
 return [
-	// change here
-	'size' => 'small',
-	'theme' => 'okaidia',
+        // change here
+        'size' => 'small',
+        'theme' => 'okaidia',
+        'plugins' => ['unescaped-markup', 'line-numbers', 'diff-highlight'],
 ]
 ?>
diff --git a/plugin.syntaxhighlighter.php b/plugin.syntaxhighlighter.php
index aa788f7..ecf7a2a 100644
--- a/plugin.syntaxhighlighter.php
+++ b/plugin.syntaxhighlighter.php
@@ -34,13 +34,12 @@ function plugin_syntaxhighlighter_add($lang=null) {
 	
 	$pdir=plugin_geturl('syntaxhighlighter');
 
-    // create array containing the used languages
+	// create array containing the used languages
 		$languages[] = "{$lang}";
-    // remove unique
+	// remove unique
 		$languages = array_unique($languages);
 		
-  return $languages;
-
+	return $languages;
 }
 
 
@@ -73,6 +72,7 @@ function plugin_syntaxhighlighter_foot() {
 	
 	$pdir=plugin_geturl('syntaxhighlighter');
 	// javascript part
+	
 echo <<<PRISMBOX
 	<!-- start of prism.js footer -->
 	
@@ -84,7 +84,7 @@ echo <<<PRISMBOX
 	<!-- call wrap_pre_tags() from syntaxhighlighter-ng.js -->
 	<script type="text/javascript">
 	  var used_languages = {$used_languages};
-	  var used_languages = {$used_plugins};
+	  var used_plugins = {$used_plugins};
 	  wrap_pre_tags(used_languages, used_plugins);
 	</script>