diff --git a/openapi.yaml b/openapi.yaml
index 8449b9d..a59956b 100644
--- a/openapi.yaml
+++ b/openapi.yaml
@@ -10015,6 +10015,9 @@ components:
             <br>
             You can view the voices supported for each model using the /v1/voices endpoint sending the model name as the query parameter.
             [View all supported voices here](https://docs.together.ai/docs/text-to-speech#supported-voices).
+            <br>
+            <br>
+            `hexgrad/Kokoro-82M` additionally supports voice mixing, where two or more voices are combined into a single blended voice by joining their names with `+` (e.g. `af_bella+af_heart`). Optional per-voice weights can be provided in parentheses (e.g. `af_bella(2)+af_heart(1)`). Other models require a single voice name.
           type: string
         response_format:
           type: string