README.md in active_report-5.1.0 vs README.md in active_report-5.2.0

@@ -48,10 +48,11 @@
 **Export:** Convert an array or array of arrays to a CSV.
 
 **Options:**
  * headers: column titles of CSV data
  * options: CSV options to be use on generation
+ * stream:  generate an enumerator
 
 ```ruby
 @list = [
   [1, 'Lorem lipsum etc...', true],
   [2, 'Xorem lipsum etc...', false],
@@ -80,10 +81,11 @@
 **Options:**
  * only:    keys of pairs to be used on generation
  * except:  keys of pairs not to be used on generation
  * headers: column titles of CSV data
  * options: CSV options to be use on generation
+ * stream:  generate an enumerator
 
 ```ruby
 @list = [
   { id: 1, item: 'Lorem lipsum etc...', completed: true},
   { id: 2, item: 'Xorem lipsum etc...', completed: false},
@@ -114,9 +116,10 @@
 **Options:**
  * only:    columns to be used on generation
  * except:  columns not to be used on generation
  * headers: column titles of CSV data
  * options: CSV options to be use on generation
+ * stream:  generate an enumerator
 
 ```ruby
 @list = [
   <# ActiveRecord::Relation Object >,
   <# ActiveRecord::Relation Object >,