experimental: fix broken link to "checkpoint and restore" page
@@ -37,5 +37,5 @@ Checkpoint and restore support for Containers.
Metrics (Prometheus) output for basic container, image, and daemon operations.
* [External graphdriver plugins](../docs/extend/plugins_graphdriver.md)
- * [Checkpoint & Restore](../docs/reference/commandline/checkpoint-restore.md)
+ * [Checkpoint & Restore](../docs/reference/commandline/checkpoint.md)
* [Docker build with --squash argument](../docs/reference/commandline/build.md#squash-an-images-layers---squash-experimental)
