Learn Editor: Update check-header-policy.md

Author: dlepow

articles/api-management/check-header-policy.md

@@ -42,10 +42,12 @@ Use the `check-header` policy  to enforce that a request has a specified HTTP he
 
 
 
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 ## Usage
 
 - **[Policy sections:](./api-management-howto-policies.md#sections)** inbound
-   - [**Policy scopes:**](./api-management-howto-policies.md#scopes) global, product, API, operation
+- **[Scopes:](./api-management-howto-policies.md#scopes)** global, product, API, operation
 -  [**Gateways:**](api-management-gateways-overview.md) dedicated, consumption, self-hosted
 
 ## Example