Update Documentation link in README
The "SPDX Tools Documentation" link in the README changed. This commit
updates the link to point to the correct location instead of the old
link that was giving a 404 Not Found error.
Resolves
@@ -11,7 +11,7 @@ The Software Package Data Exchange (SPDX) specification is a standard format for
These tools are published by the SPDX Workgroup
see [http://spdx.org/](http://spdx.org/)
-See the [SPDX Tools Documentation](https://spdx.org/sites/cpstandard/files/pages/files/spdx_tools-20170327.pdf) for details on how to use the command line tools.
+See the [SPDX Tools Documentation](https://spdx.dev/wp-content/uploads/sites/41/2017/12/spdx_tools-20170327.pdf) for details on how to use the command line tools.
## Contributing
See the file CONTRIBUTING.md for information on making contributions to the SPDX tools.
