update contributing

Author: serkonda7

CONTRIBUTING.md

@@ -23,21 +23,25 @@ It allows merging them faster with less conflicts and will reduce review time.
 Every PR should contain a test case that covers the added feature or bug fix.
 This prevents regressions and makes reviewing the changes easier by proofing correct functionality.
 
-Tests for the language grammar providing the syntax highlighting are in [`syntaxes/tests`](syntaxes/tests/).
+Tests for the language grammar (syntax highlighting) are in [`syntaxes/tests`](syntaxes/tests/).
 They can be run with the following command:
 ```
 npm run test
 ```
 
 ### Install a dev version
-If you'd like to install a development version of the extension, you can run the following:
-```sh
-npm run install-dev-ext
-```
-> **Note:** you have to reload the VS Code window if open (run `>reload window` from command palette).
+If you'd like to install a development version of the extension, follow these steps:
+1. ```sh
+   npm run install-dev-ext
+   ```
+2. Reload the VS Code window:
+   - Open command palette (<kbd>F1</kbd>)
+   - Run `>reload window`
+
+> Note: It is not required to uninstall any previous versions.
 
 ### Compilation and Linting
-Currently there are no features that rely on typescript.
+Currently there are no features that rely on Typescript.
 Thus there is no need to compile or lint the code during development.
 
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