Update docs/core/compatibility/sdk/10.0/dotnet-restore-project-json-unsupported.md

Co-authored-by: Genevieve Warren <[email protected]>

Author: meaghanlewis

docs/core/compatibility/sdk/10.0/dotnet-restore-project-json-unsupported.md

@@ -30,7 +30,7 @@ This change can affect [source compatibility](../../categories.md#source-compati
 
 The `project.json` format was originally available only in .NET Core previews (through Preview 2 of .NET Core 1.0) and was completely replaced by PackageReference in 2017. The format has been marked as deprecated since 2017.
 
-When the `project.json` format was replaced, users migrated these projects using the [`dotnet migrate`](/dotnet/core/tools/dotnet-migrate) command, but that command was removed from the CLI in the .NET Core 3.0 SDK.
+When the `project.json` format was replaced, users migrated these projects using the [`dotnet migrate`](/previous-versions/dotnet/fundamentals/tools/dotnet-migrate) command, but that command was removed from the CLI in the .NET Core 3.0 SDK.
 
 The removal of `project.json` support completes this transition and allows the .NET team to focus on delivering a better experience for PackageReference-based projects.