@@ -33429,7 +33429,7 @@ components:
             $ref: '#/components/schemas/SpeechTurn'
           minItems: 1
           type: 'array'
-      description: 'Text to synthesize, or a list of turns for multi-speaker input. Each turn has its own text, voice, and instructions. Multi-speaker input is supported by Gemini TTS models and by Fish Audio models other than S1.'
+      description: 'Text to synthesize, or a list of turns for multi-speaker input. Each turn has its own text, voice, and instructions. Multi-speaker input is supported by Gemini TTS models, by Fish Audio models other than S1, and by Speechify dialogue models.'
       example: 'Hello world'
     SpeechInputReference:
       description: 'Reference content part for stateless voice cloning or voice design'