Replace v1.7 with {{page.version}}. (#5688)

docs/concepts/configuration/secret.md

@@ -121,7 +121,7 @@ The data field is a map.  Its keys must match
 [`DNS_SUBDOMAIN`](https://git.k8s.io/community/contributors/design-proposals/architecture/identifiers.md), except that leading dots are also
 allowed.  The values are arbitrary data, encoded using base64.
 
-Create the secret using [`kubectl create`](/docs/user-guide/kubectl/v1.7/#create):
+Create the secret using [`kubectl create`](/docs/user-guide/kubectl/{{page.version}}/#create):
 
 ```shell
 $ kubectl create -f ./secret.yaml

docs/concepts/configuration/taint-and-toleration.md

@@ -19,7 +19,7 @@ onto nodes with matching taints.
 
 ## Concepts
 
-You add a taint to a node using [kubectl taint](/docs/user-guide/kubectl/v1.7/#taint).
+You add a taint to a node using [kubectl taint](/docs/user-guide/kubectl/{{page.version}}/#taint).
 For example,
 
 ```shell