Fix broken link in the README
Pointer to development guide was broken
@@ -136,7 +136,7 @@ Connect with the Open Service Mesh community:
## Development Guide
-If you would like to contribute to OSM, check out the [development guide](docs/dev_guide/_index.md).
+If you would like to contribute to OSM, check out the [development guide](docs/dev_guide/README.md).
## Code of Conduct
