[swa] update preview environments

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cc: @craigshoemaker

Author: Simona Cotin

articles/static-web-apps/branch-environments.md

@@ -11,7 +11,7 @@ ms.custom: template-how-to
 
 # Create branch preview environments in Azure Static Web Apps
 
-You can configure your site to deploy every change made to branches that aren't a production branch. This preview deployment lives for the entire lifetime of the branch and is published at a stable URL that includes the branch name. For example, if the branch is named `dev`, then the environment is available at a location like `<DEFAULT_HOST_NAME>-dev.<LOCATION>.azurestaticapps.net`.
+You can configure your site to deploy every change made to branches that aren't a production branch. This preview deployment is published at a stable URL that includes the branch name. For example, if the branch is named `dev`, then the environment is available at a location like `<DEFAULT_HOST_NAME>-dev.<LOCATION>.azurestaticapps.net`.
 
 ## Configuration