diff --git a/elasticsearch-api/lib/elasticsearch/api/actions/capabilities.rb b/elasticsearch-api/lib/elasticsearch/api/actions/capabilities.rb
index d3319018d..f769dce68 100644
--- a/elasticsearch-api/lib/elasticsearch/api/actions/capabilities.rb
+++ b/elasticsearch-api/lib/elasticsearch/api/actions/capabilities.rb
@@ -31,6 +31,7 @@ module Actions
       # @option arguments [String] :path API path to check
       # @option arguments [String] :parameters Comma-separated list of API parameters to check
       # @option arguments [String] :capabilities Comma-separated list of arbitrary API capabilities to check
+      # @option arguments [Boolean] :local_only True if only the node being called should be considered
       # @option arguments [Hash] :headers Custom HTTP headers
       #
       # @see https://github.com/elastic/elasticsearch/blob/current/rest-api-spec/src/yamlRestTest/resources/rest-api-spec/test/README.asciidoc#require-or-skip-api-capabilities