update typo in readme
diff --git a/README.md b/README.md
index 902958b..b31cfda 100644
--- a/README.md
+++ b/README.md
@@ -5,14 +5,14 @@
### Give it a try today
To use as a docker action
```
-wsk action update myAction myAction.php --docker openwhisk/nodejs6action:1.0.0
+wsk action update myAction myAction.js --docker openwhisk/nodejs6action:1.0.0
```
This works on any deployment of Apache OpenWhisk
### To use on deployment that contains the rutime as a kind
To use as a kind action
```
-wsk action update myAction myAction.php --kind nodejs:6
+wsk action update myAction myAction.js --kind nodejs:6
```
### Local development
@@ -56,7 +56,7 @@
```
Then create the action using your image from dockerhub
```
-wsk action update myAction myAction.php --docker $user_prefix/nodejs6action
+wsk action update myAction myAction.js --docker $user_prefix/nodejs6action
```
The `$user_prefix` is usually your dockerhub user id.
