Use latest docs linting image

.gitlab/ci/test.gitlab-ci.yml

@@ -30,7 +30,7 @@ gosec-sast:
   rules: *merge_request_pipelines_rules
 
 docs lint:
-  image: "registry.gitlab.com/gitlab-org/gitlab-docs/lint:vale-2.3.4-markdownlint-0.23.2"
+  image: "registry.gitlab.com/gitlab-org/gitlab-docs/lint:ruby-2.7.2-alpine-3.12-vale-2.4.3-markdownlint-0.24.0"
   stage: test
   extends:
   - .merge_request_pipelines

docs/index.md

@@ -18,7 +18,7 @@ GitLab Runner is written in [Go](https://golang.org) and can be run as a single
 language specific requirements are needed.
 
 It is designed to run on the GNU/Linux, macOS, and Windows operating systems.
-Other operating systems will probably work as long as you can compile a Go
+Other operating systems might work as long as you can compile a Go
 binary on them.
 
 If you want to [use Docker](executors/docker.md), install the latest version.
@@ -49,13 +49,13 @@ GitLab Runner requires a minimum of Docker `v1.13.0`.
 
 ## Compatibility with GitLab versions
 
-The GitLab Runner version should be in sync with the GitLab version. While older
-Runners may still work with newer GitLab versions, and vice versa, in some cases,
-features may be not available or work properly if there's a version difference.
+The GitLab Runner version should be in sync with the GitLab version. Older runners may still work
+with newer GitLab versions (and vice versa). However, features may be not available or work properly
+if there's a version difference.
 
-Backward compatibility is guaranteed between minor version updates,
-but be aware that minor version updates of GitLab can introduce new features
-which will require the Runner to be on the same minor version.
+Backward compatibility is guaranteed between minor version updates. However, be aware that minor
+version updates of GitLab can introduce new features that require the Runner to be on the same minor
+version.
 
 ## Install GitLab Runner