Fix ElasticSearch → Elasticsearch

Signed-off-by: hatsu38 <hajiwata0308@gmail.com>

Author: hatsu38

filter/geoip.md

@@ -126,7 +126,7 @@ This parameter has been deprecated since v1.2.0.
 
 Set to `true` to skip adding the field with `[null, null]` array.
 
-This is useful for ElasticSearch.
+This is useful for Elasticsearch.
 
 ### `backend_library`
 

how-to-guides/free-alternative-to-splunk-by-fluentd.md

@@ -41,7 +41,7 @@ Once the installation is complete, start Elasticsearch:
 $ ./bin/elasticsearch
 ```
 
-Note: You can also install ElasticSearch \(and Kibana\) using RPM/DEB packages. For details, please refer to [the official instructions](https://www.elastic.co/downloads).
+Note: You can also install Elasticsearch \(and Kibana\) using RPM/DEB packages. For details, please refer to [the official instructions](https://www.elastic.co/downloads).
 
 ## Set Up Kibana