anchor.diff:  
   ### <a id='variable-substitution'></a> Add Variables to a Manifest
   
  -You can use variables to create app manifests with values shared across all applicable environments in combination with references to environment-specific differences defined in separate files. 
  +You can use variables to create app manifests with values shared across all applicable environments in combination with references to environment-specific differences defined in separate files.
   
   In addition, using variables enables you to store sensitive data in a separate file that the app manifest would reference, making the security sensitive data easier to manage and keep secure.
   
   To add variables to an app manifest, do the following:
   
  -1. Create a file called `vars.yml`. 
  +1. Create a file called `vars.yml`.
   
   1. Add attributes to your `vars.yml` file. See the following example:
   
  
positive.code: 
  ### <a id='metadata'></a> metadata
  
  Use the `metadata` information to tag your apps with additional information. You can specify two types of metadata: `labels` and `annotations`. For more information, see [Types of Metadata](../../adminguide/metadata.html#types) in _Using Metadata_. 
  
  See the following example:
  
  
negative.code:     sensitive: true
  ```
  
  For more information about metadata, see [Using Metadata](../../adminguide/metadata.html).
  
  ### <a id='no-route'></a>no-route
  
  