diff --git a/docs/reference/ml/apis/snapshotresource.asciidoc b/docs/reference/ml/apis/snapshotresource.asciidoc
index 73e2e9b3b8b..13a26e26e8d 100644
--- a/docs/reference/ml/apis/snapshotresource.asciidoc
+++ b/docs/reference/ml/apis/snapshotresource.asciidoc
@@ -3,7 +3,7 @@
 [[ml-snapshot-resource]]
 === Model snapshot resources
 
-Model snapshots are saved to disk periodically.
+Model snapshots are saved to an internal index within the Elasticsearch cluster.
 By default, this is occurs approximately every 3 hours to 4 hours and is
 configurable with the `background_persist_interval` property.