# Mutate documentation error

**URL:** <https://discuss.elastic.co/t/mutate-documentation-error/254917>\
**Category:** Logstash\
**Created:** [November 10, 2020, 1:37pm UTC](https://discuss.elastic.co/t/mutate-documentation-error/254917 "2020-11-10T13:37:46Z")\
**Posts on this page:** 3\
**Page:** 1

<div class="post-metadata">

**Author:** ![gyterpena](https://avatars.discourse-cdn.com/v4/letter/g/a9a28c/32.png) [@gyterpena](https://discuss.elastic.co/u/gyterpena)\
**Post date:** [November 10, 2020, 1:37pm UTC](https://discuss.elastic.co/t/mutate-documentation-error/254917/1 "2020-11-10T13:37:46Z")

</div>

Mistake in documentation

 ![image](https://us1.discourse-cdn.com/elastic/original/3X/2/8/28440855276dbbd2a18bdd5d62b49e2b2a3c61c9.png)  
In above image mutate rename example differs with  
 ![image](https://us1.discourse-cdn.com/elastic/original/3X/f/b/fbe585798f53d8425c5ff43309b71c6c2acc8cfc.png)

---

<div class="post-metadata">

**Author:** ![Badger](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/badger/32/25190_2.png) [@Badger](https://discuss.elastic.co/u/Badger)\
**Post date:** [November 10, 2020, 3:34pm UTC](https://discuss.elastic.co/t/mutate-documentation-error/254917/2 "2020-11-10T15:34:41Z")

</div>

There are quite a lot of such occurrences. They do not matter very much because logstash will automatically convert and array to a hash (and vice versa) in this situation.

---

<div class="post-metadata">

**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [December 8, 2020, 3:34pm UTC](https://discuss.elastic.co/t/mutate-documentation-error/254917/3 "2020-12-08T15:34:48Z")

</div>

This topic was automatically closed 28 days after the last reply. New replies are no longer allowed.