diff --git a/ext/templates-modals.html b/ext/templates-modals.html
index 7b4e7ac5f..9e2b92c5b 100644
--- a/ext/templates-modals.html
+++ b/ext/templates-modals.html
@@ -690,6 +690,9 @@ <h1 class="modal-title">Pronunciation Dictionaries</h1>
             <p>
                 A synthesized voice will speak the given text, using either the term text or the reading.
             </p>
+            <p class="warning-text">
+                ⚠️ Note: Audio generated with text-to-speech cannot be captured for use in Anki card creation.
+            </p>
             <div class="horizontal-flex margin-above">
                 <input type="text" value="よみたん" id="text-to-speech-voice-test-text" autocomplete="off" lang="ja">
                 <button type="button" id="text-to-speech-voice-test">Test</button>
diff --git a/ext/templates-settings.html b/ext/templates-settings.html
index 9dc1c91be..de8de8b44 100644
--- a/ext/templates-settings.html
+++ b/ext/templates-settings.html
@@ -146,8 +146,8 @@
             <option value="jisho">Jisho.org</option>
             <option value="lingua-libre">(Commons) Lingua Libre</option>
             <option value="wiktionary">(Commons) Wiktionary</option>
-            <option value="text-to-speech">Text-to-speech</option>
-            <option value="text-to-speech-reading">Text-to-speech (Kana reading)</option>
+            <option value="text-to-speech" title="Not supported in Anki">Text-to-speech ⚠️</option>
+            <option value="text-to-speech-reading" title="Not supported in Anki">Text-to-speech (Kana reading) ⚠️</option>
             <option value="custom">Custom URL</option>
             <option value="custom-json">Custom URL (JSON)</option>
         </select>
@@ -461,8 +461,8 @@
         <option value="jisho">Jisho.org</option>
         <option value="lingua-libre">Lingua Libre</option>
         <option value="wiktionary">Wiktionary</option>
-        <option value="text-to-speech">Text-to-speech</option>
-        <option value="text-to-speech-reading">Text-to-speech (Kana reading)</option>
+        <option value="text-to-speech" title="Not supported in Anki">Text-to-speech ⚠️</option>
+        <option value="text-to-speech-reading" title="Not supported in Anki">Text-to-speech (Kana reading) ⚠️</option>
         <option value="custom">Custom</option>
     </select>
 </div></template>