fix(genapi): wording

Co-authored-by: Rowena Jones <[email protected]>

Author: fpagny

pages/managed-inference/reference-content/model-catalog.mdx

@@ -210,7 +210,7 @@ This model is optimized for audio transcription tasks.
 openai/whisper-large-v3:bf16
 ```
 
-- Mono and stereo audio formats are supported. For stereo formats, both left and right channels are merged before being processed.
+- Mono and stereo audio formats are supported. For stereo formats, left and right channels are merged before being processed.
 - Audio files are processed in 30-second chunks:
   - If audio sent is less than 30 seconds, the rest of the chunk will be considered silent.