docs

Signed-off-by: Jan Kowalleck <jan.kowalleck@gmail.com>

README.md

@@ -12,7 +12,7 @@
 
 Create [CycloneDX] Software Bill of Materials (SBOM) from _[yarn]_ projects.
 
-## 🚧 🏗️ this project is an ealy development stage
+## 🚧 🏗️ this project is an early development stage
 
 See the projects issues, discussions, pull requests and milestone for the progress.
 
@@ -78,6 +78,23 @@ Software-Bill-of-Materials(SBOM) in CycloneDX format.
 ```
 
 
+## Internals
+
+This _yarn_ plugin utilizes the [CycloneDX library][CycloneDX-library] to generate the actual data structures.
+
+This _yarn_ plugin does **not** expose any additional _public_ API or classes - all code is intended to be internal and might change without any notice during version upgrades.
+
+## Development & Contributing
+
+Feel free to open issues, bugreports or pull requests.  
+See the [CONTRIBUTING][contributing_file] file for details.
+
+## License
+
+Permission to modify and redistribute is granted under the terms of the Apache 2.0 license.  
+See the [LICENSE][license_file] file for the full license.
+
+
 [license_file]: https://github.com/CycloneDX/cyclonedx-node-yarn/blob/1.0-dev/LICENSE
 [contributing_file]: https://github.com/CycloneDX/cyclonedx-node-yarn/blob/1.0-dev/CONTRIBUTING.md