Update README.md: Update "edit inline docs" link

README.md

@@ -115,6 +115,6 @@ You want to contribute to Pico? We really appreciate that! You can help make Pic
 [IssuesSearch]: https://github.com/picocms/Pico/search?type=Issues
 [PullRequests]: https://github.com/picocms/Pico/pulls
 [ContributionGuidelines]: https://github.com/picocms/Pico/blob/master/CONTRIBUTING.md
-[EditInlineDocs]: https://github.com/picocms/Pico/blob/master/content-sample/index.md
+[EditInlineDocs]: https://github.com/picocms/Pico/edit/master/content-sample/index.md
 [EditUserDocs]: https://github.com/picocms/Pico/tree/gh-pages/_docs
 [EditDevDocs]: https://github.com/picocms/Pico/tree/gh-pages/_plugin-dev