diff --git a/README.md b/README.md
index afa29af..f441f45 100644
--- a/README.md
+++ b/README.md
@@ -27,7 +27,7 @@ The files contain:
 <small><a name="footnote"><sup>1</sup></a> for other languages the country names are in that particular language</small>
 <br><small><a name="footnote2"><sup>2</sup></a> ISO 3166-1 alpha codes are uppercase but this library provides them in lowercase</small>
 
-The lists are currently available in **31 languages**:
+The lists are currently available in **33 languages**:
 
 - Arabic
 - Armenian
@@ -55,7 +55,9 @@ The lists are currently available in **31 languages**:
 - Portuguese
 - Romanian
 - Russian
+- Serbian
 - Slovak
+- Slovenian
 - Spanish
 - Swedish
 - Thai
diff --git a/docs/index.html b/docs/index.html
index b47e3de..ee6c790 100644
--- a/docs/index.html
+++ b/docs/index.html
@@ -116,8 +116,8 @@ <h1>World countries</h1>
                     </blockquote>
 
                     <p>
-                        The lists are currently available in <strong>31 languages</strong>:
-                        Arabic, Armenian, Basque, Bulgarian, Chinese (simplified), Chinese (traditional), Czech, Danish, Dutch, English, Esperanto, Estonian, Finnish, French, German, Greek, Hungarian, Italian, Japanese, Korean, Lithuanian, Norwegian, Polish, Portuguese, Romanian, Russian, Slovak, Spanish, Swedish, Thai, Ukrainian                    </p>
+                        The lists are currently available in <strong>33 languages</strong>:
+                        Arabic, Armenian, Basque, Bulgarian, Chinese (simplified), Chinese (traditional), Czech, Danish, Dutch, English, Esperanto, Estonian, Finnish, French, German, Greek, Hungarian, Italian, Japanese, Korean, Lithuanian, Norwegian, Polish, Portuguese, Romanian, Russian, Serbian, Slovak, Slovenian, Spanish, Swedish, Thai, Ukrainian                    </p>
 
                     <p>All data is taken from <a href="https://en.wikipedia.org/wiki/ISO_3166-1">Wikipedia</a>.</p>
 
@@ -183,7 +183,7 @@ <h3>Flags</h3>
                     <h2>Download</h2>
 
                     <p>
-                        To download the entire package containing all the world countries in all the 31                        languages, in all the available formats (CSV, JSON, PHP, SQL and XML), with flags included, and
+                        To download the entire package containing all the world countries in all the 33                        languages, in all the available formats (CSV, JSON, PHP, SQL and XML), with flags included, and
                         with the ISO 3166-2 list of administrative divisions and dependent territories of all countries,
                         use the big <strong>Download</strong> button at the <a href="#top">top</a>.
                     </p>
@@ -1151,6 +1151,41 @@ <h4><strong>B.</strong> As individual files / language</h4><br>
                 </div>
 
 
+                <div class="col-lg-6 col-md-6 col-sm-6 col-xs-12">
+                    <div class="panel panel-default">
+                        <div class="panel-heading">
+                            <label><input type="checkbox" class="format all">&nbsp;<strong>Serbian</strong> (sr)</label>
+                        </div>
+                        <div class="panel-body">
+                            <table>
+                                <tbody>
+                                    <tr>
+                                        <th><label><input type="checkbox" class="format all-world">World</label></th>
+                                        <td>
+                                            <label><input type="checkbox" class="format world" name="download[]" value="sr/world.csv">CSV</label>&nbsp;
+                                            <label><input type="checkbox" class="format world" name="download[]" value="sr/world.json">JSON</label>&nbsp;
+                                            <label><input type="checkbox" class="format world" name="download[]" value="sr/world.php">PHP</label>&nbsp;
+                                            <label><input type="checkbox" class="format world" name="download[]" value="sr/world.sql">SQL</label>&nbsp;
+                                            <label><input type="checkbox" class="format world" name="download[]" value="sr/world.xml">XML</label>
+                                        </td>
+                                    </tr>
+                                    <tr>
+                                        <th><label><input type="checkbox" class="format all-countries">Countries</label></th>
+                                        <td>
+                                            <label><input type="checkbox" class="format countries" name="download[]" value="sr/countries.csv">CSV</label>&nbsp;
+                                            <label><input type="checkbox" class="format countries" name="download[]" value="sr/countries.json">JSON</label>&nbsp;
+                                            <label><input type="checkbox" class="format countries" name="download[]" value="sr/countries.php">PHP</label>&nbsp;
+                                            <label><input type="checkbox" class="format countries" name="download[]" value="sr/countries.sql">SQL</label>&nbsp;
+                                            <label><input type="checkbox" class="format countries" name="download[]" value="sr/countries.xml">XML</label>
+                                        </td>
+                                    </tr>
+                                </tbody>
+                            </table>
+                        </div>
+                    </div>
+                </div>
+
+
                 <div class="col-lg-6 col-md-6 col-sm-6 col-xs-12">
                     <div class="panel panel-default">
                         <div class="panel-heading">
@@ -1186,6 +1221,41 @@ <h4><strong>B.</strong> As individual files / language</h4><br>
                 </div>
 
 
+                <div class="col-lg-6 col-md-6 col-sm-6 col-xs-12">
+                    <div class="panel panel-default">
+                        <div class="panel-heading">
+                            <label><input type="checkbox" class="format all">&nbsp;<strong>Slovenian</strong> (sl)</label>
+                        </div>
+                        <div class="panel-body">
+                            <table>
+                                <tbody>
+                                    <tr>
+                                        <th><label><input type="checkbox" class="format all-world">World</label></th>
+                                        <td>
+                                            <label><input type="checkbox" class="format world" name="download[]" value="sl/world.csv">CSV</label>&nbsp;
+                                            <label><input type="checkbox" class="format world" name="download[]" value="sl/world.json">JSON</label>&nbsp;
+                                            <label><input type="checkbox" class="format world" name="download[]" value="sl/world.php">PHP</label>&nbsp;
+                                            <label><input type="checkbox" class="format world" name="download[]" value="sl/world.sql">SQL</label>&nbsp;
+                                            <label><input type="checkbox" class="format world" name="download[]" value="sl/world.xml">XML</label>
+                                        </td>
+                                    </tr>
+                                    <tr>
+                                        <th><label><input type="checkbox" class="format all-countries">Countries</label></th>
+                                        <td>
+                                            <label><input type="checkbox" class="format countries" name="download[]" value="sl/countries.csv">CSV</label>&nbsp;
+                                            <label><input type="checkbox" class="format countries" name="download[]" value="sl/countries.json">JSON</label>&nbsp;
+                                            <label><input type="checkbox" class="format countries" name="download[]" value="sl/countries.php">PHP</label>&nbsp;
+                                            <label><input type="checkbox" class="format countries" name="download[]" value="sl/countries.sql">SQL</label>&nbsp;
+                                            <label><input type="checkbox" class="format countries" name="download[]" value="sl/countries.xml">XML</label>
+                                        </td>
+                                    </tr>
+                                </tbody>
+                            </table>
+                        </div>
+                    </div>
+                </div>
+
+
                 <div class="col-lg-6 col-md-6 col-sm-6 col-xs-12">
                     <div class="panel panel-default">
                         <div class="panel-heading">