update readme

Author: drudzikatlassian

README.md

@@ -1,15 +1,16 @@
 # Jira Comment
 Add a comment to an issue
 
+Requires [Jira Login Action](https://github.com/marketplace/actions/jira-login)
 
 ## Usage
 To add comment to an issue you need to specify an issue key and a comment in action args, like:
 
 `"Hello from GitHub actions" --issue=INC-2`
 
-You can interpolate fields from GitHub event which triggered the workflow into a comment body. For example, you can specify pusher name in comment body by including `pusher.name` field from [push](https://developer.github.com/v3/activity/events/types/#pushevent) event:
+You can interpolate fields from GitHub event which triggered the workflow into a comment body. For example, you can specify pusher name in comment body by including `event.pusher.name` field from [push](https://developer.github.com/v3/activity/events/types/#pushevent) event:
 
-    "{{ pusher.name }} pushed to repository: {{ repository.full_name }}"
+    "{{ event.pusher.name }} pushed to repository: {{ event.repository.full_name }}"
 
 Which will result in comment: