1 files changed, 22 insertions, 29 deletions

diff --git a/docs/guides/s3-image-upload.md b/docs/guides/s3-image-upload.md
index 7ca8dd12..cb3ae79f 100644
--- a/docs/guides/s3-image-upload.md
+++ b/docs/guides/s3-image-upload.md
@@ -1,19 +1,15 @@
-Guide - Setup CodiMD S3 image upload
-===
+# Guide - Setup CodiMD S3 image upload
 
 **Note:** *This guide was written before the renaming. Just replace `HackMD` with `CodiMD` in your mind :smile: thanks!*
 
 1. Go to [AWS S3 console](https://console.aws.amazon.com/s3/home) and create a new bucket.
-
-    ![create-bucket](../images/s3-image-upload/create-bucket.png)
+   ![create-bucket](../images/s3-image-upload/create-bucket.png)
 
 2. Click on bucket, select **Properties**  on the side panel, and find **Permission** section. Click **Edit bucket policy**.
-
-    ![bucket-property](../images/s3-image-upload/bucket-property.png)
+   ![bucket-property](../images/s3-image-upload/bucket-property.png)
 
 3. Enter the following policy, replace `bucket_name` with your bucket name:
-
-    ![bucket-policy-editor](../images/s3-image-upload/bucket-policy-editor.png)
+   ![bucket-policy-editor](../images/s3-image-upload/bucket-policy-editor.png)
 
     ```json
     {
@@ -32,16 +28,13 @@ Guide - Setup CodiMD S3 image upload
 4. Go to IAM console and create a new IAM user. Remember your user credentials(`key`/`access token`)
 
 5. Enter user page, select **Permission** tab, look at **Inline Policies** section, and click **Create User Policy**
-
-    ![iam-user](../images/s3-image-upload/iam-user.png)
+   ![iam-user](../images/s3-image-upload/iam-user.png)
 
 6. Select **Custom Policy**
-
-    ![custom-policy](../images/s3-image-upload/custom-policy.png)
+   ![custom-policy](../images/s3-image-upload/custom-policy.png)
 
 7. Enter the following policy, replace `bucket_name` with your bucket name:
-
-    ![review-policy](../images/s3-image-upload/review-policy.png)
+   ![review-policy](../images/s3-image-upload/review-policy.png)
 
     ```json
     {
@@ -62,23 +55,23 @@ Guide - Setup CodiMD S3 image upload
 
 8. Edit `config.json` and set following keys:
 
-    ```javascript
-    {
-        "production": {
-            ...
-            "imageuploadtype": "s3",
-            "s3": {
-                "accessKeyId": "YOUR_S3_ACCESS_KEY_ID",
-                "secretAccessKey": "YOUR_S3_ACCESS_KEY",
-                "region": "YOUR_S3_REGION" // example: ap-northeast-1
-            },
-            "s3bucket": "YOUR_S3_BUCKET_NAME"
-        }
-    }
-    ```
+   ```javascript
+   {
+     "production": {
+       ...
+       "imageuploadtype": "s3",
+       "s3": {
+         "accessKeyId": "YOUR_S3_ACCESS_KEY_ID",
+         "secretAccessKey": "YOUR_S3_ACCESS_KEY",
+         "region": "YOUR_S3_REGION" // example: ap-northeast-1
+       },
+       "s3bucket": "YOUR_S3_BUCKET_NAME"
+     }
+   }
+   ```
 
 9. In additional to edit `config.json` directly, you could also try [environment variables](../configuration-env-vars.md).
 
 ## Related Tools
 
-* [AWS Policy Generator](http://awspolicygen.s3.amazonaws.com/policygen.html)
+- [AWS Policy Generator](http://awspolicygen.s3.amazonaws.com/policygen.html)