message: docs: fix a grammatical error in the building and serving documentation
  Fix a grammatical error in the building and serving documentation.
  There is no associated issue.
  PR Close
diff: @@ -202,7 +202,7 @@ Specify size values in the following formats:
  * 12%: Percentage of size relative to baseline. (Not valid for baseline values.)
  -When you configure a budget, the build system warns or reports and error when a given part of the app reaches or exceeds a boundary size that you set.
  +When you configure a budget, the build system warns or reports an error when a given part of the app reaches or exceeds a boundary size that you set.
  Each budget entry is a JSON object with the following properties:
  