diff --git a/README.md b/README.md
--- a/README.md
+++ b/README.md
@@ -11,7 +11,7 @@ Outputs the shares as hexadecimal, Base3
 Run `pip install shamira`.
 
 ### From the source
-Can be run straight from the cloned repository by executing the package with `python -m shamira` or simply installed with `python setup.py build`, `python setup.py install`. Then imported in your code with `import shamira` or run from the command line with `shamira`.
+Can be run straight from the cloned repository by executing the package with `python -m shamira` or built with `python -m build` and installed with `pip install dist/shamira*.whl`.
 
 ## Usage
 
@@ -60,3 +60,7 @@ Benchmark results, as obtained by runnin
         <td>0.00156</td>
     </tr>
 </table>
+
+## License ##
+
+The code is licensed under GNU GPL v3. If this doesn't fit your needs, reach me and we can negotiate relicensing.