Adding API key format to setting section

elastic · Jun 5, 2020 · 2eb7a5f · 2eb7a5f
1 parent dce0e2a
commit 2eb7a5f
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/libbeat/outputs/elasticsearch/docs/elasticsearch.asciidoc b/libbeat/outputs/elasticsearch/docs/elasticsearch.asciidoc
@@ -136,8 +136,8 @@ The default value is 1.
 
 ===== `api_key`
 
-Instead of using usernames and passwords,
-you can use API keys to secure communication with {es}.
+Instead of using usernames and passwords, you can use API keys to secure communication
+with {es}. The value must be the ID of the API key and the API key joined by a colon.
 For more information, see <<beats-api-keys>>.
 
 ===== `username`