diff --git a/README.md b/README.md
index 5fd21ac..35e353a 100644
--- a/README.md
+++ b/README.md
@@ -24,10 +24,13 @@ See the https://prismjs.com/#supported-languages for all supported languages by
 The included `prism.small.js` just has the most popular I know:
 
 ```
-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
+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
 ```
 
-To change the theme, choose your favorite from https://prismjs.com and place it into `fp-plugins/syntaxhighlighter/res/`.
+To change the theme, your favorite from https://prismjs.com and place it into `fp-plugins/syntaxhighlighter/res/`.
 Then look after the block `<!-- start of prism.js header -->` in `fp-plugins/syntaxhighlighter/plugin.syntaxhighlighter.php` and change the following line:
 
 ```
diff --git a/plugin.syntaxhighlighter.php b/plugin.syntaxhighlighter.php
index 8ec3106..2b9a90b 100644
--- a/plugin.syntaxhighlighter.php
+++ b/plugin.syntaxhighlighter.php
@@ -49,7 +49,7 @@ function plugin_syntaxhighlighter_foot() {
 	echo <<<PRISMBOX
 	<!-- start of prism.js footer -->
     
-    <script type="text/javascript" src="{$pdir}res/prism.small.js"></script>
+    <script type="text/javascript" src="{$pdir}res/prism.full.js"></script>
     
     <!-- wrapping the content of pre html-tags into code-tags, as said in https://prismjs.com/index.html#basic-usage -->
     <script type="text/javascript">
@@ -82,7 +82,7 @@ function plugin_syntaxhighlighter_foot() {
                 for (let iEl = 0;iEl < preElements.length; iEl++)
                 {
                   org_html = preElements[iEl].innerHTML;
-                  new_html = "<code class=\"language-" + used_languages[iUl] + "\">" + org_html + "</code>";
+                  new_html = "<code class=\"line-numbers language-" + used_languages[iUl] + "\">" + org_html + "</code>";
                   
                   preElements[iEl].innerHTML = new_html;
                 }