Merge pull request #2286 from alexandear/patch-1

README.md: fix grammar issue

Author: jandubois

README.md

@@ -1,5 +1,5 @@
 [[🌎**Web site**]](https://lima-vm.io/)
-[[📖**Documentations**]](https://lima-vm.io/docs/)
+[[📖**Documentation**]](https://lima-vm.io/docs/)
 [[👤**Slack (`#lima`)**]](https://slack.cncf.io)
 
 <picture>