Remove extra spaces to correct format (#1778)

Author: nak3

docs/serving/knative-kubernetes-services.md

@@ -31,23 +31,23 @@ that are active when running Knative Serving.
    webhook             ClusterIP   10.107.144.50    <none>        443/TCP                  1h
    ```
 
- 3. To view the deployments in your cluster, use the following command:
-
-    ```sh
-    $ kubectl get deployments -n knative-serving
-    ```
-
-    This should return the following output:
-
-     ```sh
-     NAME                     DESIRED   CURRENT   UP-TO-DATE   AVAILABLE   AGE
-     activator                1         1         1            1           1h
-     autoscaler               1         1         1            1           1h
-     controller               1         1         1            1           1h
-     networking-certmanager   1         1         1            1           1h
-     networking-istio         1         1         1            1           1h
-     webhook                  1         1         1            1           1h
-     ```
+3. To view the deployments in your cluster, use the following command:
+
+   ```sh
+   $ kubectl get deployments -n knative-serving
+   ```
+
+   This should return the following output:
+
+   ```sh
+   NAME                     DESIRED   CURRENT   UP-TO-DATE   AVAILABLE   AGE
+   activator                1         1         1            1           1h
+   autoscaler               1         1         1            1           1h
+   controller               1         1         1            1           1h
+   networking-certmanager   1         1         1            1           1h
+   networking-istio         1         1         1            1           1h
+   webhook                  1         1         1            1           1h
+   ```
 
 These services and deployments are installed by the `serving.yaml` file during
 install. The next section describes their function.