diff --git a/docs/articles/nunit/getting-started/upgrading.md b/docs/articles/nunit/getting-started/upgrading.md
index 37bb33ba7..6f87f35e3 100644
--- a/docs/articles/nunit/getting-started/upgrading.md
+++ b/docs/articles/nunit/getting-started/upgrading.md
@@ -4,7 +4,7 @@
 
 ## Upgrading from NUnit 3.X to NUnit 4.X
 
-See the [Migration Guide](xref:migrationguidance) for information on upgrading from NUnit 3.X to NUnit 4.X.
+See the [Migration Guide](xref:migrationguidance) for information on upgrading from NUnit 3.x to NUnit 4.x.
 
 Also see the [Release Notes for version 4.0.0](https://docs.nunit.org/articles/nunit/release-notes/framework.html#nunit-400---november-26-2023) for information on breaking and other changes to see if any of these may affect your tests.