fix by comments

Signed-off-by: LiZhenCheng9527 <lizhencheng6@huawei.com>

Author: LiZhenCheng9527

docs/content/en/docs/developer-guide/e2e.md

@@ -26,21 +26,30 @@ sudo mv ./kind /usr/local/bin/kind
 - Manual installation
 
 ```console
-1.Download the required version(https://github.com/helm/helm/releases)
-2.Extract a zip file(tar -zxvf helm-vXXX-linux-amd64.tar.gz)
-3.Find the helm program in the extracted directory and move it to the desired directory(mv linux-amd64/helm /usr/local/bin/helm)
+Can download the required version of helm you need from https://github.com/helm/helm/releases
+
+To extract the zip file of helm, run: 
+    tar -zxvf helm-vXXX-linux-amd64.tar.gz
+
+Find the helm program in the extracted directory and move it to the desired directory, run:
+    mv linux-amd64/helm /usr/local/bin/helm
 ```
 
 - Script Installation
 
 ```console
 curl -fsSL -o get_helm.sh https://raw.githubusercontent.com/helm/helm/main/scripts/get-helm-3
+
 chmod 700 get_helm.sh
+
 ./get_helm.sh
 ```
 
 ## Steps For Running E2E Test
 
-- Script to Install Kubernetes Test Cluster Environment. `bash hack/e2e-test/build-cluster.sh`
-- Deploying a Newest Built Kurator Image to the Cluster. `bash hack/e2e-test/install-kurator.sh`
-- Running Kurator E2E Tests. `bash hack/e2e-test/run-e2e.sh`
+- Install Kubernetes Test Cluster Environment.
+  `bash hack/e2e-test/build-cluster.sh`
+- Deploy kurator.
+  `bash hack/e2e-test/install-kurator.sh`
+- Run Kurator E2E Tests.
+  `bash hack/e2e-test/run-e2e.sh`