Fixes broken ref in create Vault secret docs (#787)

Author: sarahsimpers

source/tutorial/create-vault-secret.txt

@@ -17,8 +17,8 @@ After you :ref:`set your secret storage tool <k8s-set-secret-storage-tool>` to
 when you're manually migrating your existing |k8s| |k8s-secrets|
 or you're creating secrets for the first time.
 
-For a list of secrets that you must manually migrate to |vault-short|, see
-:ref:`Manually Migrate Secrets <vault-manually-migrate-secrets>`.
+For a list of secrets that you must manually migrate to |vault-short|, see the
+|vault-short| section of :ref:`Configure Secret Storage <k8s-set-secret-storage-tool>`.
 
 The following tutorial stores your :ref:`Programmatic API Key 
 <create-org-app-api-key>` in |vault-short|. You can adapt the commands in this