diff --git a/elasticsearch/client/indices.py b/elasticsearch/client/indices.py
index bf43480c..cf70d694 100644
--- a/elasticsearch/client/indices.py
+++ b/elasticsearch/client/indices.py
@@ -59,8 +59,10 @@ class IndicesClient(NamespacedClient):
 
         :arg index: A comma-separated list of index names; use `_all` or empty
             string for all indices
-        :arg force: TODO: ?
-        :arg full: TODO: ?
+        :arg force: Whether a flush should be forced even if it is not
+            necessarily needed ie. if no changes will be committed to the index.
+        :arg full: If set to true a new index writer is created and settings
+            that have been changed related to the index writer will be refreshed.
         :arg allow_no_indices: Whether to ignore if a wildcard indices
 			expression resolves into no concrete indices. (This includes `_all` string or
 			when no indices have been specified)
diff --git a/rest-api-spec b/rest-api-spec
index 8517d895..af2b7762 160000
--- a/rest-api-spec
+++ b/rest-api-spec
@@ -1 +1 @@
-Subproject commit 8517d8954e6f7f8600e79a45442640b5ec77ad91
+Subproject commit af2b7762f7ecee9913e1d0d15a622308d561724d