Fix typos in DEPLOYMENT.md

DEPLOYMENT.md

@@ -1,13 +1,13 @@
 # Deployment
 
 Releases are deployed on [pypi] whenever a tag of form `vMajor.Minor.Revision`
-is pushed. Furthemore, the deployment workflow can be triggered manually to
+is pushed. Furthermore, the deployment workflow can be triggered manually to
 deploy test releases on [test.pypi].
 
 For this to work, the workflow has to be granted permission to deploy on the
 two services. Please follow this packaging [guide] to setup your accounts
 accordingly. We also recommend to setup a github [environment] to restrict
-which contributers can deploy packages.
+which contributors can deploy packages.
 
 [environment]: https://docs.github.com/en/actions/deployment/targeting-different-environments/using-environments-for-deployment/
 [guide]: https://packaging.python.org/en/latest/guides/publishing-package-distribution-releases-using-github-actions-ci-cd-workflows/