docs: Fix broken anchor link in Credential management (#4998)

* docs: Fix broken anchor link in Credential management

* docs: Update link titles

website/content/docs/concepts/credential-management.mdx

@@ -10,9 +10,9 @@ description: |-
 When users connect to a remote machine, they typically need a set of credentials for authentication.
 After they connect to the machine, they may also require another set of credentials to access services or other machines within the network.
 
-There are two credential management paradigms in Boundary, [credential brokering](#credential-brokering) and [credential injection](#credential-injection-hcp-only).
+There are two credential management paradigms in Boundary, [credential brokering](#credential-brokering) and [credential injection](#credential-injection).
 
-To configure credential brokering or credential injection with static credentials, refer to [Manage static credentials with Boundary](/boundary/docs/configuration/credential-management/static-cred-boundary) and [Manage static credentials with Vault](/boundary/docs/configuration/credential-management/static-cred-vault).
+To configure credential brokering or credential injection with static credentials, refer to [Create a static credential store](/boundary/docs/configuration/credential-management/static-cred-boundary) and [Create a Vault credential store](/boundary/docs/configuration/credential-management/static-cred-vault).
 
 ## Credential brokering