diff --git a/output/schema/schema.json b/output/schema/schema.json
index b87b4ddd68..28ed8ef2cc 100644
--- a/output/schema/schema.json
+++ b/output/schema/schema.json
@@ -39,7 +39,7 @@
           "visibility": "private"
         }
       },
-      "description": "Deletes the desired nodes",
+      "description": "Designed for indirect use by ECE/ESS and ECK, direct use is not supported.",
       "docUrl": null,
       "name": "_internal.delete_desired_nodes",
       "request": null,
@@ -139,7 +139,7 @@
           "visibility": "private"
         }
       },
-      "description": "Updates the desired nodes",
+      "description": "Designed for indirect use by ECE/ESS and ECK, direct use is not supported.",
       "docUrl": null,
       "name": "_internal.update_desired_nodes",
       "request": null,
diff --git a/specification/_json_spec/_internal.delete_desired_nodes.json b/specification/_json_spec/_internal.delete_desired_nodes.json
index c66c84561f..32d4707fe0 100644
--- a/specification/_json_spec/_internal.delete_desired_nodes.json
+++ b/specification/_json_spec/_internal.delete_desired_nodes.json
@@ -2,7 +2,7 @@
   "_internal.delete_desired_nodes": {
     "documentation": {
       "url": null,
-      "description": "Deletes the desired nodes"
+      "description": "Designed for indirect use by ECE/ESS and ECK, direct use is not supported."
     },
     "stability": "experimental",
     "visibility": "private",
diff --git a/specification/_json_spec/_internal.update_desired_nodes.json b/specification/_json_spec/_internal.update_desired_nodes.json
index d7b43cde28..0b49c16c62 100644
--- a/specification/_json_spec/_internal.update_desired_nodes.json
+++ b/specification/_json_spec/_internal.update_desired_nodes.json
@@ -2,7 +2,7 @@
   "_internal.update_desired_nodes": {
     "documentation": {
       "url": null,
-      "description": "Updates the desired nodes"
+      "description": "Designed for indirect use by ECE/ESS and ECK, direct use is not supported."
     },
     "stability": "experimental",
     "visibility": "private",
diff --git a/specification/_json_spec/search_mvt.json b/specification/_json_spec/search_mvt.json
index 77eea39458..2c76555b05 100644
--- a/specification/_json_spec/search_mvt.json
+++ b/specification/_json_spec/search_mvt.json
@@ -4,7 +4,7 @@
       "url": "https://www.elastic.co/docs/api/doc/elasticsearch/operation/operation-search-mvt",
       "description": "Search a vector tile"
     },
-    "stability": "experimental",
+    "stability": "stable",
     "visibility": "public",
     "headers": {
       "accept": ["application/vnd.mapbox-vector-tile"],