diff --git a/content/en/docs/concepts/configuration/secret.md b/content/en/docs/concepts/configuration/secret.md
index 58b57a0b04..4d00336a88 100644
--- a/content/en/docs/concepts/configuration/secret.md
+++ b/content/en/docs/concepts/configuration/secret.md
@@ -116,7 +116,7 @@ In this case, `0` means we have just created an empty Secret.
 A `kubernetes.io/service-account-token` type of Secret is used to store a
 token that identifies a service account. When using this Secret type, you need
 to ensure that the `kubernetes.io/service-account.name` annotation is set to an
-existing service account name. An Kubernetes controller fills in some other
+existing service account name. A Kubernetes controller fills in some other
 fields such as the `kubernetes.io/service-account.uid` annotation and the
 `token` key in the `data` field set to actual token content.