Update README.md

Author: Raziel

stable/slack/README.md

@@ -1,4 +1,4 @@
-# Codefresh Helm Plugin
+# Codefresh Slack Plugin
 
 Use Codefresh Slack plugin to send a message to a channel.
 
@@ -29,4 +29,4 @@ steps:
 
 - **required** `WEBHOOK_URL` - Url to the channel. Slack official [docs](https://api.slack.com/incoming-webhooks)
 - **required** `SLACK_MESSAGE` - The message that will be sent
-- `DEBUG` - print verbose output
+- `DEBUG` - print verbose output