diff --git a/content/en/admin/config.md b/content/en/admin/config.md
index 2b1d3959..1e94f2dc 100644
--- a/content/en/admin/config.md
+++ b/content/en/admin/config.md
@@ -387,7 +387,7 @@ See the [ElasticSearch setup page for details on each setting](../elasticsearch#
 
 #### `ES_HOST`
 
-Host of the Elasticsearch server. Defaults to `localhost`
+Host of the Elasticsearch server. Defaults to `localhost`. If using TLS, prepend the hostname with `https://`. For example: `https://elastic.example.com`.
 
 #### `ES_PORT`
 
@@ -830,3 +830,4 @@ Defaults to `512`.
 #### `GITHUB_API_TOKEN`
 
 Used in a rake task for generating AUTHORS.md from GitHub commit history.
+
diff --git a/content/en/admin/elasticsearch.md b/content/en/admin/elasticsearch.md
index cf33bda3..676561b8 100644
--- a/content/en/admin/elasticsearch.md
+++ b/content/en/admin/elasticsearch.md
@@ -71,6 +71,8 @@ ES_PRESET= # single_node_cluster, small_cluster or large_cluster
 # ES_PASS=
 ```
 
+_Note_: If using TLS, prepend the hostname with `https://`. For example: `https://elastic.example.com`.
+
 ### Choosing the correct preset
 
 The value for `ES_PRESET` depends on the size of your Elasticsearch and will be used to set the number of shards and replica for your indices to the best value for your setup: