[README.md] typo

Author: chrissimpkins

README.md

@@ -10,6 +10,6 @@
 
 ## Licenses
 
-The Slice project is licensed under the Gnu General Public License version 3. Please see [LICENSE](LICENSE) for details.
+The Slice project is licensed under the GNU General Public License version 3. Please see [LICENSE](LICENSE) for details.
 
 Please see the [thirdparty directory](https://github.com/source-foundry/Slice/tree/main/thirdparty) for additional details about third party licenses.