diff --git a/README.md b/README.md
index c969d61..a7bb1c4 100644
--- a/README.md
+++ b/README.md
@@ -8,8 +8,19 @@ Most recent versions and versions with aliases are not deleted.
 Installation
 ============
 
+Install via npm in the root of your Serverless Project:
+
 `npm install serverless-lambda-prune-plugin`
 
+Add the plugin to the plugins array in your Serverless Project's s-project.json, like this:
+
+```
+plugins: [
+    "serverless-lambda-prune-plugin"
+]
+```
+
+
 Usage
 =====