diff --git a/core/modules/jsonapi/jsonapi.api.php b/core/modules/jsonapi/jsonapi.api.php
index 721f97a431422781339db5b0cb086ce8c0b75701..c011e77f79754cff23c8c86807ed3fb8978b6c7a 100644
--- a/core/modules/jsonapi/jsonapi.api.php
+++ b/core/modules/jsonapi/jsonapi.api.php
@@ -84,7 +84,7 @@
  *              version-identifier
  *                    __|__
  *                   /     \
- * ?resource_version=foo:bar
+ * ?resourceVersion=foo:bar
  *                   \_/ \_/
  *                    |   |
  *    version-negotiator  |
@@ -105,14 +105,14 @@
  * that has a "Published" revision and a subsequent "Draft" revision.
  *
  * Using JSON:API, one could request the "Published" node by requesting
- * `/jsonapi/node/page/{{uuid}}?resource_version=rel:latest-version`.
+ * `/jsonapi/node/page/{{uuid}}?resourceVersion=rel:latest-version`.
  *
  * To preview an entity that is still a work-in-progress (i.e. the "Draft"
  * revision) one could request
- * `/jsonapi/node/page/{{uuid}}?resource_version=rel:working-copy`.
+ * `/jsonapi/node/page/{{uuid}}?resourceVersion=rel:working-copy`.
  *
  * To request a specific revision ID, one can request
- * `/jsonapi/node/page/{{uuid}}?resource_version=id:{{revision_id}}`.
+ * `/jsonapi/node/page/{{uuid}}?resourceVersion=id:{{revision_id}}`.
  *
  * It is not yet possible to request a collection of revisions. This is still
  * under development in issue [#3009588].