diff --git a/README.md b/README.md
index 96f8252..5f8fcf7 100644
--- a/README.md
+++ b/README.md
@@ -2,6 +2,8 @@
 
 This is a CDK construct that creates an AWS IoT Core Thing with a certificate and policy using [aws-sdk-js-v3](https://github.com/aws/aws-sdk-js-v3).
 
+![elements](./images/iot.png)
+
 Cloudformation does not support creating a certificate for an IoT Thing, so this construct uses the AWS SDK to create a certificate and attach it to the Thing.
 
 This construct is a modified version of this excellent [construct (cdk-iot-core-certificate)](https://github.com/devops-at-home/cdk-iot-core-certificates) to work with aws-sdk-js-v3.
@@ -9,7 +11,7 @@ This construct is a modified version of this excellent [construct (cdk-iot-core-
 ## Installation
 
 ```bash
-npm i cdk-iot-core-certificate-v3
+npm i cdk-iot-core-certificates-v3
 ```
 
 ## Usage
@@ -18,8 +20,11 @@ npm i cdk-iot-core-certificate-v3
 import { ThingWithCert } from 'cdk-iot-core-certificate-v3';
 
 const thing = new ThingWithCert(this, 'MyThing', {
+  // The name of the thing
   thingName: 'MyThing',
+  // Whether to save the certificate and private key to the SSM Parameter Store
   saveToParamStore: true,
+  // The prefix to use for the SSM Parameter Store parameters
   paramPrefix: 'test',
 });
 
diff --git a/images/iot.png b/images/iot.png
new file mode 100644
index 0000000..262c5c7
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