Update CONTRIBUTING.md (#118)

Author: meili-bot

CONTRIBUTING.md

@@ -19,9 +19,9 @@ It's [Hacktoberfest month](https://blog.meilisearch.com/contribute-hacktoberfest
 
 🚀 If your PR gets accepted it will count into your participation to Hacktoberfest!
 
-✅ To be accepted it has either to have been merged, approved or tagged with the `hacktoberest-accepted` label.
+✅ To be accepted it has either to have been merged, approved or tagged with the `hacktoberfest-accepted` label.
 
-🧐 Don't forget to check the [quality standards](https://hacktoberfest.digitalocean.com/resources/qualitystandards), otherwise your PR could be marked as `spam` or `invalid`, and it will not be counted toward your participation in Hacktoberfest.
+🧐 Don't forget to check the [quality standards](https://hacktoberfest.digitalocean.com/resources/qualitystandards)! Low-quality PRs might get marked as `spam` or `invalid`, and will not count toward your participation in Hacktoberfest.
 
 ## Assumptions
 
@@ -117,7 +117,7 @@ Some notes on GitHub PRs:
 
 - [Convert your PR as a draft](https://help.github.com/en/github/collaborating-with-issues-and-pull-requests/changing-the-stage-of-a-pull-request) if your changes are a work in progress: no one will review it until you pass your PR as ready for review.<br>
   The draft PR can be very useful if you want to show that you are working on something and make your work visible.
-- The branch related to the PR must be **up-to-date with `main`** before merging. Fortunately, this project [integrates a bot](https://github.com/meilisearch/integration-guides/blob/main/guides/bors.md) to automatically enforce this requirement without the PR author having to do it manually..
+- The branch related to the PR must be **up-to-date with `main`** before merging. Fortunately, this project [integrates a bot](https://github.com/meilisearch/integration-guides/blob/main/guides/bors.md) to automatically enforce this requirement without the PR author having to do it manually.
 - All PRs must be reviewed and approved by at least one maintainer.
 - The PR title should be accurate and descriptive of the changes. The title of the PR will be indeed automatically added to the next [release changelogs](https://github.com/meilisearch/meilisearch-symfony/releases/).