Fixed a typo, and added some more text. (#142)

README.md

@@ -5,7 +5,7 @@ The **Windows Package Manager** is and open source client.  You will find the so
 
 # Submitting a Package
 To submit a package to the repository, you should follow these steps:
-1) Follow the **Contribuing** guidelines below
+1) Follow the **Contributing** guidelines below
 2) Author a Manifest
 3) Test your manifest
 4) Submit your PR
@@ -34,6 +34,14 @@ Installers:
     Sha256: string # SHA256 calculated from installer
 # ManifestVersion: 0.1.0
 ```
+
+### Using the YAMLCreate.ps1
+To help author manifest files, we have provided a YAMLCreate.ps1 powershell script located in the Tools folder.  
+The script will prompt you for the URL to the installer, then will prompt you to fill in metadata.
+
+I recommend running the script in the location where you want to produce the manifest file.  For example: `manifests\<publisher>\<package>\`.  After successful completion, it will produce the YAML file.
+
+
 ## Test your manifest
 Now that you have authored your manifest, you should make sure it works as expected.
 1) Verify the syntax.  You can do that by typing the following command: `winget validate <manifest>`
@@ -50,6 +58,8 @@ In the event of a failure, the BOT will suggest where the problem is with the su
 ### Respond to PR feedback
 If the PR has been assigned to you, a timer is triggered.  You will have 7 days to resolve the issue, or the PR will be closed automatically by the BOT.  
 
+For a list of the BOT labels, see [packages](https://docs.microsoft.com/windows/package-manager/package).
+
 # Contributing
 
 This project welcomes contributions and suggestions.  Most contributions require you to agree to a