updated toc

Author: ChrisLound

articles/data-factory/TOC.yml

@@ -485,7 +485,7 @@
     - name: Store credentials in Azure Key Vault
       href: store-credentials-in-key-vault.md
     - name: Use Azure Key Vault secrets in pipeline activities
-      href: how-to-use-azure-key-vault-secrets-in-pipeline-activities.md
+      href: how-to-use-azure-key-vault-secrets-pipeline-activities.md
     - name: Encrypt credentials for self-hosted integration runtime
       href: encrypt-credentials-self-hosted-integration-runtime.md
     - name: Managed identity for Data Factory