@@ -74,7 +74,9 @@ the intendended page. Same goes for "New Text" on "Archived Texts" page.
 * A warning when savings settings in ``settings.php`` was sometimes displayed ([#121](https://github.com/HugoFara/lwt/issues/121)).
 * Test header was different when testing languages or terms since 2.1.0-fork.
 * Wrong link to documentation (``info.php`` instead of ``docs/info.html``). Signaled by Mooncake on Discord.
-* The reading button is usable at last! Clicking the button a second time stops the reading process ([#108](https://github.com/HugoFara/lwt/issues/118)).
+* Text reading:
+  * The reading button is usable at last! Clicking the button a second time stops the reading process ([#108](https://github.com/HugoFara/lwt/issues/118)).
+  * Text language code was often wrong in TTT settings (``text_to_speech_settings.php``).
 * It was impossible to copy a similar term that had apostrophes ([#127](https://github.com/HugoFara/lwt/issues/127)).
 * A deprecation warning for ``trim`` was sent in simterms when no similar term was found.
 * During a text creation, the ``media_uri`` property of ``Text`` was used instead of ``source``. Thanks to [@hangug-eo](https://github.com/hangug-eo) for his PR [#133](https://github.com/HugoFara/lwt/pull/133)!
 
@@ -1956,7 +1956,12 @@ <h4>Fixed</h4>
 <li>A warning when savings settings in <code>settings.php</code> was sometimes displayed (<a href="https://github.com/HugoFara/lwt/issues/121">#121</a>).</li>
 <li>Test header was different when testing languages or terms since 2.1.0-fork.</li>
 <li>Wrong link to documentation (<code>info.php</code> instead of <code>docs/info.html</code>). Signaled by Mooncake on Discord.</li>
+<li>Text reading:
+<ul>
 <li>The reading button is usable at last! Clicking the button a second time stops the reading process (<a href="https://github.com/HugoFara/lwt/issues/118">#108</a>).</li>
+<li>Text language code was often wrong in TTT settings (<code>text_to_speech_settings.php</code>).</li>
+</ul>
+</li>
 <li>It was impossible to copy a similar term that had apostrophes (<a href="https://github.com/HugoFara/lwt/issues/127">#127</a>).</li>
 <li>A deprecation warning for <code>trim</code> was sent in simterms when no similar term was found.</li>
 <li>During a text creation, the <code>media_uri</code> property of <code>Text</code> was used instead of <code>source</code>. Thanks to <a href="https://github.com/hangug-eo">@hangug-eo</a> for his PR <a href="https://github.com/HugoFara/lwt/pull/133">#133</a>!</li>
 
@@ -4708,12 +4708,14 @@ function trim_value(&$value): void
  * @param  string $text Text to be converted
  * @param  string $lang Language code (usually BCP 47 or ISO 639-1)
  * @return string Parsed text in a phonetic format.
+ * 
+ * @since 2.9.0 Any language starting by "ja" or "jp" is considered phonetic.
  */
 function phonetic_reading($text, $lang) 
 {
     global $tbpref;
     // Many languages are already phonetic
-    if ($lang != 'ja' && $lang != 'jp-JP' && $lang != 'jp' ) {
+    if (!str_starts_with($lang, "ja") && !str_starts_with($lang, "jp")) {
         return $text;
     }
 
 
@@ -154,9 +154,8 @@ function tts_demo()
     ?>
 <th class="th1 center">Demo</th>
 <td class="td1 center" colspan="2">
-    <textarea id="tts-demo" title="Enter your text here" class="respinput">
-    Lorem ipsum dolor sit amet...
-    </textarea>
+    <textarea id="tts-demo" title="Enter your text here" class="respinput"
+    >Lorem ipsum dolor sit amet...</textarea>
 </td>
 <td class="td1 right">
     <button onclick="readingDemo();">Read</button>
@@ -207,12 +206,13 @@ function getRegionCode()
      */
     function readingDemo()
     {
-        let lang = 
+        const lang = getLanguageCode() + 
+        (getRegionCode() ? '-' + getRegionCode() : '');
         readTextAloud(
             $('#tts-demo')[0].value,
-            getLanguageCode + (getRegionCode() ? '-' + getRegionCode() : ''),
-            $('#rate')[0].value,
-            $('#pitch')[0].value
+            lang,
+            parseFloat($('#rate')[0].value),
+            parseFloat($('#pitch')[0].value)
         );
     }