diff --git a/contributors/design-proposals/instrumentation/custom-metrics-api.md b/contributors/design-proposals/instrumentation/custom-metrics-api.md
index ec944cf76..a10e91d4e 100644
--- a/contributors/design-proposals/instrumentation/custom-metrics-api.md
+++ b/contributors/design-proposals/instrumentation/custom-metrics-api.md
@@ -257,7 +257,7 @@ Relationship to HPA v2
 ----------------------
 
 The URL paths in this API are designed to correspond to different source
-types in the [HPA v2](hpa-v2.md).  Specifically, the `pods` source type
+types in the [HPA v2](../autoscaling/hpa-v2.md).  Specifically, the `pods` source type
 corresponds to a URL of the form
 `/namespaces/$NS/pods/*/$METRIC_NAME?labelSelector=foo`, while the
 `object` source type corresponds to a URL of the form