[7.16] [DOCS] Changes URLs in reference

docs/helpers.asciidoc

@@ -96,7 +96,7 @@ const b = client.helpers.bulk({
 ----
 
 |`flushBytes`
-a|The size of the bulk body in bytes to reach before to send it. Default of 5MB. +
+a|The size of the bulk body in bytes to reach before sending it. Default of 5MB. +
 _Default:_ `5000000`
 [source,js]
 ----
@@ -576,4 +576,4 @@ const scrollSearch = client.helpers.scrollDocuments({
 for await (const doc of scrollSearch) {
   console.log(doc)
 }
-----
+----

docs/index.asciidoc

@@ -1,6 +1,6 @@
 = Elasticsearch JavaScript Client
 
-:branch: 7.16
+include::{asciidoc-dir}/../../shared/versions/stack/{source_branch}.asciidoc[]
 include::{asciidoc-dir}/../../shared/attributes.asciidoc[]
 
 include::introduction.asciidoc[]

docs/observability.asciidoc

@@ -377,9 +377,9 @@ child.search({
 To improve observability, the client offers an easy way to configure the 
 `X-Opaque-Id` header. If you set the `X-Opaque-Id` in a specific request, this 
 allows you to discover this identifier in the 
-https://www.elastic.co/guide/en/elasticsearch/reference/master/logging.html#deprecation-logging[deprecation logs], 
-helps you with https://www.elastic.co/guide/en/elasticsearch/reference/master/index-modules-slowlog.html#_identifying_search_slow_log_origin[identifying search slow log origin] 
-as well as https://www.elastic.co/guide/en/elasticsearch/reference/master/tasks.html#_identifying_running_tasks[identifying running tasks].
+https://www.elastic.co/guide/en/elasticsearch/reference/7.16/logging.html#deprecation-logging[deprecation logs], 
+helps you with https://www.elastic.co/guide/en/elasticsearch/reference/7.16/index-modules-slowlog.html#_identifying_search_slow_log_origin[identifying search slow log origin] 
+as well as https://www.elastic.co/guide/en/elasticsearch/reference/7.16/tasks.html#_identifying_running_tasks[identifying running tasks].
 
 The `X-Opaque-Id` should be configured in each request, for doing that you can 
 use the `opaqueId` option, as you can see in the following example. The 

docs/reference.asciidoc

@@ -3510,7 +3510,7 @@ link:{ref}/modules-scripting.html[Documentation] +
 ----
 client.getScriptContext()
 ----
-link:https://www.elastic.co/guide/en/elasticsearch/painless/master/painless-contexts.html[Documentation] +
+link:https://www.elastic.co/guide/en/elasticsearch/painless/7.16/painless-contexts.html[Documentation] +
 
 
 [discrete]
@@ -9102,7 +9102,7 @@ client.scriptsPainlessExecute({
   body: object
 })
 ----
-link:https://www.elastic.co/guide/en/elasticsearch/painless/master/painless-execute-api.html[Documentation] +
+link:https://www.elastic.co/guide/en/elasticsearch/painless/7.16/painless-execute-api.html[Documentation] +
 [cols=2*]
 |===
 |`body`