diff --git a/docs/_examples/deleteByQuery.asciidoc b/docs/_examples/deleteByQuery.asciidoc
index 476212705..d3ced3c7c 100644
--- a/docs/_examples/deleteByQuery.asciidoc
+++ b/docs/_examples/deleteByQuery.asciidoc
@@ -12,10 +12,12 @@ client.deleteByQuery({
 .Deleting documents using the Query DSL
 [source,js]
 ---------
-client.delete_by_query({
+client.deleteByQuery({
   index: 'posts',
   body: {
-    term: { published: false }
+    query: {
+      term: { published: false }
+    }
   }
 }, function (error, response) {
   // ...
diff --git a/docs/api_methods.asciidoc b/docs/api_methods.asciidoc
index ff1714975..4db713084 100644
--- a/docs/api_methods.asciidoc
+++ b/docs/api_methods.asciidoc
@@ -402,10 +402,12 @@ client.deleteByQuery({
 .Deleting documents using the Query DSL
 [source,js]
 ---------
-client.delete_by_query({
+client.deleteByQuery({
   index: 'posts',
   body: {
-    term: { published: false }
+    query: {
+      term: { published: false }
+    }
   }
 }, function (error, response) {
   // ...
diff --git a/docs/api_methods_1_0.asciidoc b/docs/api_methods_1_0.asciidoc
index 1c619aa03..09f85abe6 100644
--- a/docs/api_methods_1_0.asciidoc
+++ b/docs/api_methods_1_0.asciidoc
@@ -484,10 +484,12 @@ client.deleteByQuery({
 .Deleting documents using the Query DSL
 [source,js]
 ---------
-client.delete_by_query({
+client.deleteByQuery({
   index: 'posts',
   body: {
-    term: { published: false }
+    query: {
+      term: { published: false }
+    }
   }
 }, function (error, response) {
   // ...
diff --git a/docs/api_methods_1_x.asciidoc b/docs/api_methods_1_x.asciidoc
index 48796ef2f..1763fc6bf 100644
--- a/docs/api_methods_1_x.asciidoc
+++ b/docs/api_methods_1_x.asciidoc
@@ -484,10 +484,12 @@ client.deleteByQuery({
 .Deleting documents using the Query DSL
 [source,js]
 ---------
-client.delete_by_query({
+client.deleteByQuery({
   index: 'posts',
   body: {
-    term: { published: false }
+    query: {
+      term: { published: false }
+    }
   }
 }, function (error, response) {
   // ...
diff --git a/docs/api_methods_master.asciidoc b/docs/api_methods_master.asciidoc
index 27840a370..8c9f5af82 100644
--- a/docs/api_methods_master.asciidoc
+++ b/docs/api_methods_master.asciidoc
@@ -484,10 +484,12 @@ client.deleteByQuery({
 .Deleting documents using the Query DSL
 [source,js]
 ---------
-client.delete_by_query({
+client.deleteByQuery({
   index: 'posts',
   body: {
-    term: { published: false }
+    query: {
+      term: { published: false }
+    }
   }
 }, function (error, response) {
   // ...
diff --git a/src/lib/apis/1_0.js b/src/lib/apis/1_0.js
index 0479b8aec..b3d53eb67 100644
--- a/src/lib/apis/1_0.js
+++ b/src/lib/apis/1_0.js
@@ -843,7 +843,9 @@ api.cluster.prototype.state = ca({
             'blocks',
             'metadata',
             'nodes',
-            'routing_table'
+            'routing_table',
+            'master_node',
+            'version'
           ]
         },
         index: {
@@ -861,7 +863,9 @@ api.cluster.prototype.state = ca({
             'blocks',
             'metadata',
             'nodes',
-            'routing_table'
+            'routing_table',
+            'master_node',
+            'version'
           ]
         }
       }
diff --git a/src/lib/apis/1_x.js b/src/lib/apis/1_x.js
index c25ac3a8a..eeed6313e 100644
--- a/src/lib/apis/1_x.js
+++ b/src/lib/apis/1_x.js
@@ -847,7 +847,9 @@ api.cluster.prototype.state = ca({
             'blocks',
             'metadata',
             'nodes',
-            'routing_table'
+            'routing_table',
+            'master_node',
+            'version'
           ]
         },
         index: {
@@ -865,7 +867,9 @@ api.cluster.prototype.state = ca({
             'blocks',
             'metadata',
             'nodes',
-            'routing_table'
+            'routing_table',
+            'master_node',
+            'version'
           ]
         }
       }
diff --git a/src/lib/apis/master.js b/src/lib/apis/master.js
index 88a30dc00..0424de35e 100644
--- a/src/lib/apis/master.js
+++ b/src/lib/apis/master.js
@@ -847,7 +847,9 @@ api.cluster.prototype.state = ca({
             'blocks',
             'metadata',
             'nodes',
-            'routing_table'
+            'routing_table',
+            'master_node',
+            'version'
           ]
         },
         index: {
@@ -865,7 +867,9 @@ api.cluster.prototype.state = ca({
             'blocks',
             'metadata',
             'nodes',
-            'routing_table'
+            'routing_table',
+            'master_node',
+            'version'
           ]
         }
       }