Use absolute path links instead of realtive to follow best practices

Author: peterguy

docs/batch-changes/update-a-batch-change.mdx

@@ -22,7 +22,7 @@ For more information, see [Code host interactions in Batch Changes](/batch-chang
 
 To update a batch change after previewing the changes, do the following:
 
-- Edit the [batch spec](/batch-changes/batch-spec-yaml-reference) with which you created the batch change to include the changes you want to make to the batch change. For example, change [the commit message in the `changesetTemplate`](batch-spec-yaml-reference#changesettemplatecommitmessage), or add a new changeset id [to the importedChangesets](/batch-changes/references/batch-spec-yaml-reference#importchangesets), or [modify the repositoriesMatchingQuery](/batch-changes/references/batch-spec-yaml-reference#onrepositoriesmatchingquery) to return different search results
+- Edit the [batch spec](/batch-changes/batch-spec-yaml-reference) with which you created the batch change to include the changes you want to make to the batch change. For example, change [the commit message in the `changesetTemplate`](/batch-changes/batch-spec-yaml-reference#changesettemplatecommitmessage), or add a new changeset id [to the importedChangesets](/batch-changes/references/batch-spec-yaml-reference#importchangesets), or [modify the repositoriesMatchingQuery](/batch-changes/references/batch-spec-yaml-reference#onrepositoriesmatchingquery) to return different search results
 - Use the [Sourcegraph CLI (`src`)](https://github.com/sourcegraph/src-cli) to execute and preview the batch spec
 
 ```bash