Update contributing.md (#1342)

Fix command typo to compile documentation in Markdown
primer · Aug 30, 2022 · c2e37a6 · c2e37a6
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commit c2e37a6
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/docs/content/contributing.md b/docs/content/contributing.md
@@ -61,7 +61,7 @@ By default, the system tests run in a headless Chrome browser. Prefix the test c
 
 ## Writing documentation
 
-Documentation is written as [YARD](https://yardoc.org/) comments directly in the source code, compiled into Markdown via `build exec rake docs:build` and served by [Doctocat](https://github.com/primer/doctocat).
+Documentation is written as [YARD](https://yardoc.org/) comments directly in the source code, compiled into Markdown via `bundle exec rake docs:build` and served by [Doctocat](https://github.com/primer/doctocat).
 
 ### Storybook / Documentation / Demo Rails App