diff --git a/docs/reference/upgrade/rolling_upgrade.asciidoc b/docs/reference/upgrade/rolling_upgrade.asciidoc
index 978ad9d7c8a..06557b2d1ee 100644
--- a/docs/reference/upgrade/rolling_upgrade.asciidoc
+++ b/docs/reference/upgrade/rolling_upgrade.asciidoc
@@ -163,7 +163,20 @@ recovery completes.
 --
 
 When  the node has recovered and the cluster is stable, repeat these steps
-for each node that needs to be updated.
+for each node that needs to be updated. You can monitor the health of the cluster
+with a <<cat-health,`_cat/health`>> request:
+
+[source,console]
+--------------------------------------------------
+GET /_cat/health?v
+--------------------------------------------------
+
+And check which nodes have been upgraded with a <<cat-nodes,`_cat/nodes`>> request:
+
+[source,console]
+--------------------------------------------------
+GET /_cat/nodes?h=ip,name,version&v
+--------------------------------------------------
 
 --