diff --git a/Documentation/README.md b/Documentation/README.md
index 42cbe9ed..6d8ea4e1 100644
--- a/Documentation/README.md
+++ b/Documentation/README.md
@@ -54,7 +54,7 @@ Features:
 Network policy controller is responsible for reading the namespace, network policy and pods information from Kubernetes API server and configure iptables accordingly to provide ingress filter to the pods.
 
 Kube-router supports the networking.k8s.io/NetworkPolicy API or network policy V1/GA
-[semantics](https://github.com/kubernetes/kubernetes/pull/39164#issue-197243974) and also network policy beta semantics. 
+[semantics](https://github.com/kubernetes/kubernetes/pull/39164#issue-197243974) and also network policy beta semantics.
 
 Please read blog for design details of Network Policy controller
 https://cloudnativelabs.github.io/post/2017-05-1-kube-network-policies/
diff --git a/Documentation/upgrading.md b/Documentation/upgrading.md
index 53dac99e..d892b9d2 100644
--- a/Documentation/upgrading.md
+++ b/Documentation/upgrading.md
@@ -43,7 +43,7 @@ goes wrong.
 For example, we'll test upgrading kube-router on worker-01:
 ```sh
 TEST_NODE="worker-01"
-TEST_POD="$(kubectl -n kube-system get pods -o wide|grep -E "^kube-router.*${TEST_NODE}"|awk '{ print $1 }')
+TEST_POD="$(kubectl -n kube-system get pods -o wide|grep -E "^kube-router.*${TEST_NODE}"|awk '{ print $1 }')"
 
 kubectl -n kube-system delete pod "${TEST_POD}"
 ```
@@ -57,7 +57,7 @@ kubectl -n kube-system get pods -o wide -w
 Check the logs with:
 ```sh
 TEST_NODE="worker-01"
-TEST_POD="$(kubectl -n kube-system get pods -o wide|grep -E "^kube-router.*${TEST_NODE}"|awk '{ print $1 }')
+TEST_POD="$(kubectl -n kube-system get pods -o wide|grep -E "^kube-router.*${TEST_NODE}"|awk '{ print $1 }')"
 
 kubectl -n kube-system logs "${TEST_POD}"
 ```