Update toc.yml

Author: eric-urban

articles/cognitive-services/Speech-Service/toc.yml

@@ -547,7 +547,7 @@ items:
     - name: Pricing calculator
       href: https://azure.microsoft.com/pricing/calculator/#cognitive-services
     - name: Build your skills with Microsoft Learn training
-      href: /training/browse/?products=azure-cognitive-services
+      href: /training/browse/?products=azure-cognitive-services&terms=speech
     - name: Azure roadmap
       href: https://azure.microsoft.com/roadmap/?category=ai-machine-learning
     - name: Azure products by region