Fixed migration guide link

README.md

@@ -8,7 +8,7 @@
 
 A library for working with [Data Packages](http://specs.frictionlessdata.io/data-package/).
 
-> **[Important Notice]** We have released [Frictionless Framework](https://github.com/frictionlessdata/frictionless-py). This framework provides improved `datapackage` functionality extended to be a complete data solution. The change in not breaking for the existing software so no actions are required. Please read the [Migration Guide](https://github.com/frictionlessdata/frictionless-py/blob/master/docs/target/migration-guide/README.md) from `datapackage` to Frictionless Framework.
+> **[Important Notice]** We have released [Frictionless Framework](https://github.com/frictionlessdata/frictionless-py). This framework provides improved `datapackage` functionality extended to be a complete data solution. The change in not breaking for the existing software so no actions are required. Please read the [Migration Guide](https://framework.frictionlessdata.io/docs/development/migration) from `datapackage` to Frictionless Framework.
 > - we continue to bug-fix `datapackage@1.x` in this [repository](https://github.com/frictionlessdata/datapackage-py) as well as it's available on [PyPi](https://pypi.org/project/datapackage/) as it was before
 > - please note that `frictionless@3.x` version's API, we're working on at the moment, is not stable
 > - we will release `frictionless@4.x` by the end of 2020 to be the first SemVer/stable version