Update README.md - Micro grammatical error.

doc/ci/README.md

@@ -144,7 +144,7 @@ See also:
 
 Learn more about:
 
-- [Why you might chose GitLab CI/CD](https://about.gitlab.com/blog/2016/10/17/gitlab-ci-oohlala/).
+- [Why you might choose GitLab CI/CD](https://about.gitlab.com/blog/2016/10/17/gitlab-ci-oohlala/).
 - [Reasons you might migrate from another platform](https://about.gitlab.com/blog/2016/07/22/building-our-web-app-on-gitlab-ci/).
 - [5 Teams that made the switch to GitLab CI/CD](https://about.gitlab.com/blog/2019/04/25/5-teams-that-made-the-switch-to-gitlab-ci-cd/)