add more examples, reformat input section

README.md

@@ -6,21 +6,37 @@
 
 ## Features
 * Always uses the latest stable Wasmer build
-* Optionally lock onto a specific wasmer version 
+* Optionally lock onto a specific wasmer version
 * Cross platform (Linux, Mac, and Windows)
 * Automatically updates environment variables (So you can immediately start using Wasmer)
 * Fully tested
 
 ## Usage
+The easiest way to use this action is to use the latest stable version of
+Wasmer. This can be done by using the following configuration:
+
+
 ```yaml
 - name: Setup Wasmer
   uses: wasmerio/[email protected]
 ```
 
+Here is an example of how to use this action to install a specific version of
+Wasmer:
 
 
+```yaml
+- name: Setup Wasmer
+  uses: wasmerio/[email protected]
+  with:
+    version: '4.2.5'
+```
+
 ## Input
-version (optional) - specify the version of wasmer to install
+| name    | type     | description                              |
+|---------|----------|------------------------------------------|
+| version | optional | specify the version of wasmer to install |
+
 
 ## Output
 There is no output from this action