docs(echoserver.md): fix typos

Author: Jérôme Lecorvaisier

docs/guide/walkthrough/echoserver.md

@@ -303,13 +303,13 @@ In this walkthrough, you'll
     ```
 
 ## Kube2iam setup
-follow below steps If you want to use kube2iam to provide the AWS credentials
+follow below steps if you want to use kube2iam to provide the AWS credentials
 
 1. configure the proper policy
     The policy to be used can be fetched from https://raw.githubusercontent.com/kubernetes-sigs/aws-alb-ingress-controller/v1.1.4/docs/examples/iam-policy.json
 
 1. configure the proper role and create the trust relationship
-    You have to find which role is associated woth your K8S nodes. Once you found take note of the full arn:
+    You have to find which role is associated with your K8S nodes. Once you found take note of the full arn:
 
     ```
     arn:aws:iam::XXXXXXXXXXXX:role/k8scluster-node
@@ -341,15 +341,15 @@ follow below steps If you want to use kube2iam to provide the AWS credentials
     }
     ```
 
-    The new role will have the arn:
+    The new role will have a similar arn:
 
     ```
     arn:aws:iam:::XXXXXXXXXXXX:role/k8s-alb-controller
     ```
 
 1.  update the alb-ingress-controller.yaml
 
-    Add the annotations in the template's metadata poin
+    Add the annotations in the template's metadata point
 
     ```yaml
     spec: