Merge pull request #493 from AutoResearch/492-docs-strong-title-cases…

…-in-all-headings

docs: strong title cases in all headings

docs/contribute/index.md

@@ -40,7 +40,7 @@ In general, AutoRA follows the [PEP 8 – Style Guide for Python Code](https://p
 For documenation, AutoRA adheres to the maxim, "Everything should be made as simple as possible, but no simpler." That is, we strive to make documenation clear and comprehensive, but as concise and digestible as possible. We also encourage formatting and hyperlinking that facilitate understanding and make navigation of the docs intuitive. Finally, we encourage a strong form of title case for headings — that is, for all titles and subtitles, the first letter of each word should be capitalized, such as in the following example: This Is An Example Title
 
 
-## Module contributions
+## Module Contributions
 
 Modules include theorists, experimentalists, experiment runners, or other functionalities not covered by the core packages. 
 All modules are child packages and can become optional dependencies of the `autora` parent package. Modules packages are