diff --git a/README.md b/README.md
index 5f4a74de..b601afc7 100644
--- a/README.md
+++ b/README.md
@@ -65,6 +65,12 @@ You can run the Celery Worker using `manage.py celery worker`.
 
 Find other Celery operations with the `manage.py celery` command.
 
+## Elasticsearch
+
+Pillar uses [Elasticsearch](https://www.elastic.co/products/elasticsearch) to power the search engine.
+You will need to run the `manage.py elastic reset_index` command to initialize the indexing.
+If you need to reindex your documents in elastic you run the `manage.py elastic reindex` command.  
+
 ## Translations
 
 If the language you want to support doesn't exist, you need to run: `translations init es_AR`.