doc: refine contributing

Signed-off-by: Brian McGee <[email protected]>

docs/contributing.md

@@ -8,26 +8,27 @@ This file contains instructions that will help you make a contribution.
 
 ## Licensing
 
-The treefmt binaries and this user guide are licensed under the [MIT license](https://numtide.github.io/treefmt/LICENSE.html).
+The `treefmt` binaries and this user guide are licensed under the [MIT license](https://numtide.github.io/treefmt/LICENSE.html).
 
 ## Before you contribute
 
-Here you can take a look at the [existing issues](https://github.com/numtide/treefmt/issues). Feel free to contribute, but make sure you have a [GitHub account](https://github.com/join) first :) .
+Here you can take a look at the [existing issues](https://github.com/numtide/treefmt/issues). Feel free to contribute, but make sure you have a
+[GitHub account](https://github.com/join) first :slightly_smiling_face:.
 
-If you're new to open source, please read GitHub's guide on [How to Contribute to Open Source](https://opensource.guide/how-to-contribute/). It's a quick read, and it's a great way to introduce yourself to how things work behind the scenes in open-source projects.
+If you're new to open source, please read GitHub's guide on [How to Contribute to Open Source](https://opensource.guide/how-to-contribute/). It's a quick read,
+and it's a great way to introduce yourself to how things work behind the scenes in open-source projects.
 
-Before sending a pull request, make sure that you've read all the guidelines. If you don't understand something, please [state your question clearly in an issue](https://github.com/numtide/treefmt/issues/new) or ask the community on the [treefmt matrix server](https://matrix.to/#/#treefmt:numtide.com).
+Before sending a pull request, make sure that you've read all the guidelines. If you don't understand something, please
+[state your question clearly in an issue](https://github.com/numtide/treefmt/issues/new) or ask the community on the [treefmt matrix server](https://matrix.to/#/#treefmt:numtide.com).
 
 ## Creating an issue
 
 If you need to create an issue, make sure to clearly describe it, including:
 
--   The steps to reproduce it if it's a bug
--   The version of treefmt used
--   The database driver and version
--   The database version
+-   The steps to reproduce it (if it's a bug)
+-   The version of `treefmt` used
 
-The cache database is stored in a toml file the ~/.cache/treefmt directory.
+The cache database is stored in a `.db` file in the `~/.cache/treefmt/eval-cache` directory.
 
 ## Making changes
 
@@ -36,18 +37,14 @@ If you want to introduce changes to the project, please follow these steps:
 -   Fork the repository on GitHub
 -   Create a branch on your fork. Don't commit directly to main
 -   Add the necessary tests for your changes
--   Run treefmt in the source directory before you commit your changes
+-   Run `treefmt` in the source directory before you commit your changes
 -   Push your changes to the branch in your repository fork
 -   Submit a pull request to the original repository
 
 Make sure you based your commits on logical and atomic units!
 
 ## Examples of git history
 
-Git history that we want to have:
-
-Git history that we are trying to avoid:
-
 <details>
 
 <summary>Git history that we want to have</summary>
@@ -88,7 +85,7 @@ Git history that we are trying to avoid:
 
 <details>
 
-<summary>Git history that we are <b>trying</b> to avoid:</summary>
+<summary>Git history that we are <b>trying</b> to avoid</summary>
 
 ```