fixed the flag with additional - (#16378)

Co-authored-by: Stoo Johnston <[email protected]>

Author: vazudew

content/tutorials/esc-external-secret-operator/index.md

@@ -51,7 +51,7 @@ helm upgrade --install external-secrets external-secrets/external-secrets \
 #### Create secret containing Pulumi access token
 
 ```bash
-kubectl create secret generic pulumi-access-token -from-literal=PULUMI_ACCESS_TOKEN=${PULUMI_ACCESS_TOKEN} \
+kubectl create secret generic pulumi-access-token --from-literal=PULUMI_ACCESS_TOKEN=${PULUMI_ACCESS_TOKEN} \
     --namespace external-secrets
 ```