diff --git a/rest-api-spec/src/main/resources/rest-api-spec/api/delete_by_query.json b/rest-api-spec/src/main/resources/rest-api-spec/api/delete_by_query.json
index 981aea79a1c..834133138b2 100644
--- a/rest-api-spec/src/main/resources/rest-api-spec/api/delete_by_query.json
+++ b/rest-api-spec/src/main/resources/rest-api-spec/api/delete_by_query.json
@@ -1,6 +1,6 @@
 {
   "delete_by_query": {
-    "documentation": "https://www.elastic.co/guide/en/elasticsearch/plugins/master/plugins-reindex.html",
+    "documentation": "https://www.elastic.co/guide/en/elasticsearch/plugins/master/plugins-delete-by-query.html",
     "methods": ["POST"],
     "url": {
       "path": "/{index}/_delete_by_query",
diff --git a/rest-api-spec/src/main/resources/rest-api-spec/api/reindex.json b/rest-api-spec/src/main/resources/rest-api-spec/api/reindex.json
index 0dc0088dd5c..80210a2048e 100644
--- a/rest-api-spec/src/main/resources/rest-api-spec/api/reindex.json
+++ b/rest-api-spec/src/main/resources/rest-api-spec/api/reindex.json
@@ -1,6 +1,6 @@
 {
   "reindex": {
-    "documentation": "https://www.elastic.co/guide/en/elasticsearch/plugins/master/plugins-reindex.html",
+    "documentation": "https://www.elastic.co/guide/en/elasticsearch/reference/master/docs-reindex.html",
     "methods": ["POST"],
     "url": {
       "path": "/_reindex",
diff --git a/rest-api-spec/src/main/resources/rest-api-spec/api/tasks.cancel.json b/rest-api-spec/src/main/resources/rest-api-spec/api/tasks.cancel.json
index 506828beaf7..69d21f4ec1d 100644
--- a/rest-api-spec/src/main/resources/rest-api-spec/api/tasks.cancel.json
+++ b/rest-api-spec/src/main/resources/rest-api-spec/api/tasks.cancel.json
@@ -1,6 +1,6 @@
 {
   "tasks.cancel": {
-    "documentation": "http://www.elastic.co/guide/en/elasticsearch/reference/master/tasks-cancel.html",
+    "documentation": "http://www.elastic.co/guide/en/elasticsearch/reference/master/tasks.html",
     "methods": ["POST"],
     "url": {
       "path": "/_tasks",
diff --git a/rest-api-spec/src/main/resources/rest-api-spec/api/update_by_query.json b/rest-api-spec/src/main/resources/rest-api-spec/api/update_by_query.json
index a2e2b5e916c..313dbe00c46 100644
--- a/rest-api-spec/src/main/resources/rest-api-spec/api/update_by_query.json
+++ b/rest-api-spec/src/main/resources/rest-api-spec/api/update_by_query.json
@@ -1,6 +1,6 @@
 {
   "update_by_query": {
-    "documentation": "https://www.elastic.co/guide/en/elasticsearch/plugins/master/plugins-reindex.html",
+    "documentation": "https://www.elastic.co/guide/en/elasticsearch/reference/master/docs-update-by-query.html",
     "methods": ["POST"],
     "url": {
       "path": "/{index}/_update_by_query",