readme tweak

Author: bryanmacfarlane

README.md

@@ -66,6 +66,8 @@ See the [toolkit documentation](https://github.com/actions/toolkit/blob/master/R
 
 ## Package for distribution
 
+GitHub Actions will run the entry point from the action.yml. Packaging assembles the code into one file that can be checked in to Git, enabling fast and reliable execution and preventing the need to check in node_modules.
+
 Actions are run from GitHub repos.  Packaging the action will create a packaged action in the dist folder.
 
 Run package
@@ -74,7 +76,7 @@ Run package
 npm run package
 ```
 
-Since the packaged index.js is run from the dist folder, check it in.
+Since the packaged index.js is run from the dist folder.
 
 ```bash
 git add dist
@@ -84,13 +86,15 @@ git add dist
 
 Users shouldn't consume the action from master since that would be latest code and actions can break compatibility between major versions.
 
+Checkin to the v1 release branch
+
 ```bash
 $ git checkout -b v1
 $ git commit -a -m "v1 release"
 ```
 
 ```bash
-$ git push origin releases/v1
+$ git push origin v1
 ```
 
 Your action is now published! :rocket: