Incorporate John S feedback.

Author: voutilad

articles/ai-services/openai/concepts/model-retirements.md

@@ -139,7 +139,7 @@ We'll notify all customers with these preview deployments at least 30 days befor
 
 Fine-tuned models retire in two phases: training and deployment.
 
-All fine-tuned models follow their equivalent base model for **training** retirement. Once retired, a given model is no longer available for fine tuning. Previously trained models remain deployable and available for inference.
+All fine-tuned models follow their equivalent base model for **training** retirement. Once retired, a given model is no longer available for fine tuning.
 
 For fine-tuned models made generally available since `gpt-4o-2024-08-06`, **deployment** retirement occurs 1 year after **training** retirement. At deployment retirement, inference and deployment returns error responses.