Update docs/msbuild/xmlpeek-task.md

Co-authored-by: Gordon Hogenson <[email protected]>

Author: ktoliver

docs/msbuild/xmlpeek-task.md

@@ -115,4 +115,4 @@ The output includes the following from the `TestPeek` target:
 - [Tasks](../msbuild/msbuild-tasks.md)
 - [Task reference](../msbuild/msbuild-task-reference.md)
 - [XPath query syntax](https://wikipedia.org/wiki/XPath)
-- [XPath Queries and Namespaces](https://docs.microsoft.com/en-us/dotnet/standard/data/xml/xpath-queries-and-namespaces)
+- [XPath Queries and Namespaces](/dotnet/standard/data/xml/xpath-queries-and-namespaces)