Fix typo

Signed-off-by: Guangwen Feng <[email protected]>

Author: Guangwen Feng

content/en/docs/tasks/access-application-cluster/ingress-minikube.md

@@ -182,7 +182,7 @@ The following manifest defines an Ingress that sends traffic to your Service via
    ```
 
 1. Add the following line to the bottom of the `/etc/hosts` file on
-   your computer (you will need adminstrator access):
+   your computer (you will need administrator access):
 
     ```
     172.17.0.15 hello-world.info