Update README.md

Projects/README.md

@@ -5,11 +5,11 @@ To add a new project, one needs to add a lean project here.
 Projects can be any Lean projects.
 
 1. You can build the lean project manually. For automatic updates, your project should include a file `ProjectName/build.sh` which can be
-  executed to build the project. See `lean4web-tools` for an example.
+  executed to build the project. See [lean4web-tools](https://github.com/hhu-adam/lean4web-tools) for an example.
 2. Your project should add the dependency
     ```lean
     require webeditor from git
         "https://github.com/hhu-adam/lean4web-tools.git" @ "main"
     ```
     in its `lakefile.lean`. This package adds some simple tools like `#package_version`.
-4. For a project to appear in the settings, you need to modify `Settings.tsx` and add a new option with value `ProjectName`.
+3. For a project to appear in the settings, you need to modify `Settings.tsx` and add a new option with value `ProjectName`.