message: Fix typo in docs/config.rst
diff: @@ -236,7 +236,7 @@ Those configuration options are documented below:
  .. describe:: stacktrace
  - Attack stack trace to `captureMessage` calls by generatic "synthetic" error object and extracting all frames.
  + Attach stack trace to `captureMessage` calls by generatic "synthetic" error object and extracting all frames.
  Environment Variables
  ---------------------
  