Update CONTRIBUTING.md

Co-authored-by: Noah Stapp <[email protected]>

Author: sleepyStick

CONTRIBUTING.md

@@ -445,8 +445,8 @@ you are attempting to validate new spec tests in PyMongo.
 There is a script (`/.evergreen/scripts/resync-all-specs.sh`) that will
 automatically run once a week to resync all the specs with the [specifications repo](https://github.com/mongodb/specifications).
 If there are changes, a PR will be generated by mongodb-drivers-pr-bot.
-If any errors occurred, the PR description will display the name of the spec along
-with stderr from the `bash resync-spec.sh <spec>` command.
+The PR description will display the name(s) of the updated specs along
+with any errors that occurred.
 
 Spec test changes associated with a behavioral change or bugfix that has yet to be implemented in PyMongo 
 must be added to a patch file in `/.evergreen/spec-patch`. Each patch