added note about removal mapping types and adapted indentation

Author: philkra

docs/crud.asciidoc

@@ -1,9 +1,11 @@
 [[indexing_documents]]
 == Indexing Documents
 
+IMPORTANT: Please note that mapping types will disappear from Elasticsearch, https://www.elastic.co/guide/en/elasticsearch/reference/7.x/removal-of-types.html[Link: read more]. 
+
 When you add documents to Elasticsearch, you index JSON documents.  This maps naturally to PHP associative arrays, since
 they can easily be encoded in JSON.  Therefore, in Elasticsearch-PHP you create and pass associative arrays to the client
-for indexing.  There are several methods of ingesting data into Elasticsearch, which we will cover here
+for indexing.  There are several methods of ingesting data into Elasticsearch, which we will cover here.
 
 === Single document indexing
 
@@ -16,9 +18,9 @@ When indexing a document, you can either provide an ID or let elasticsearch gene
 ----
 $params = [
     'index' => 'my_index',
-    'type' => 'my_type',
-    'id' => 'my_id',
-    'body' => [ 'testField' => 'abc']
+    'type'  => 'my_type',
+    'id'    => 'my_id',
+    'body'  => [ 'testField' => 'abc']
 ];
 
 // Document will be indexed to my_index/my_type/my_id
@@ -31,8 +33,8 @@ $response = $client->index($params);
 ----
 $params = [
     'index' => 'my_index',
-    'type' => 'my_type',
-    'body' => [ 'testField' => 'abc']
+    'type'  => 'my_type',
+    'body'  => [ 'testField' => 'abc']
 ];
 
 // Document will be indexed to my_index/my_type/<autogenerated ID>
@@ -47,12 +49,12 @@ If you need to set other parameters, such as a `routing` value, you specify thos
 [source,php]
 ----
 $params = [
-    'index' => 'my_index',
-    'type' => 'my_type',
-    'id' => 'my_id',
-    'routing' => 'company_xyz',
+    'index'     => 'my_index',
+    'type'      => 'my_type',
+    'id'        => 'my_id',
+    'routing'   => 'company_xyz',
     'timestamp' => strtotime("-1d"),
-    'body' => [ 'testField' => 'abc']
+    'body'      => [ 'testField' => 'abc']
 ];
 
 
@@ -75,12 +77,12 @@ for($i = 0; $i < 100; $i++) {
     $params['body'][] = [
         'index' => [
             '_index' => 'my_index',
-            '_type' => 'my_type',
+            '_type'  => 'my_type',
 	]
     ];
 
     $params['body'][] = [
-        'my_field' => 'my_value',
+        'my_field'     => 'my_value',
         'second_field' => 'some more values'
     ];
 }
@@ -101,13 +103,13 @@ for ($i = 1; $i <= 1234567; $i++) {
     $params['body'][] = [
         'index' => [
             '_index' => 'my_index',
-            '_type' => 'my_type',
-            '_id' => $i
+            '_type'  => 'my_type',
+            '_id'    => $i
         ]
     ];
 
     $params['body'][] = [
-        'my_field' => 'my_value',
+        'my_field'     => 'my_value',
         'second_field' => 'some more values'
     ];
 
@@ -141,7 +143,7 @@ performed by requesting a document by it's full `index/type/id` path:
 $params = [
     'index' => 'my_index',
     'type' => 'my_type',
-    'id' => 'my_id'
+    'id'   => 'my_id'
 ];
 
 // Get doc at /my_index/my_type/my_id
@@ -165,9 +167,9 @@ the `doc` in the `body` parameter.  This will merge the fields in `doc` with the
 ----
 $params = [
     'index' => 'my_index',
-    'type' => 'my_type',
-    'id' => 'my_id',
-    'body' => [
+    'type'  => 'my_type',
+    'id'    => 'my_id',
+    'body'  => [
         'doc' => [
             'new_field' => 'abc'
         ]
@@ -188,9 +190,9 @@ To perform a scripted update, you need to provide a script and (usually) a set o
 ----
 $params = [
     'index' => 'my_index',
-    'type' => 'my_type',
-    'id' => 'my_id',
-    'body' => [
+    'type'  => 'my_type',
+    'id'    => 'my_id',
+    'body'  => [
         'script' => 'ctx._source.counter += count',
         'params' => [
             'count' => 4
@@ -211,9 +213,9 @@ does not exist (or the field you are trying to update doesn't exist), default va
 ----
 $params = [
     'index' => 'my_index',
-    'type' => 'my_type',
-    'id' => 'my_id',
-    'body' => [
+    'type'  => 'my_type',
+    'id'    => 'my_id',
+    'body'  => [
         'script' => [
             'source' => 'ctx._source.counter += params.count',
             'params' => [
@@ -239,8 +241,8 @@ Finally, you can delete documents by specifying their full `/index/type/id` path
 ----
 $params = [
     'index' => 'my_index',
-    'type' => 'my_type',
-    'id' => 'my_id'
+    'type'  => 'my_type',
+    'id'    => 'my_id'
 ];
 
 // Delete doc at /my_index/my_type/my_id