diff --git a/rest-api-spec/api/indices.alias.json b/rest-api-spec/api/indices.aliases.json
similarity index 96%
rename from rest-api-spec/api/indices.alias.json
rename to rest-api-spec/api/indices.aliases.json
index 6d5d70f8dc6..8582edb6891 100644
--- a/rest-api-spec/api/indices.alias.json
+++ b/rest-api-spec/api/indices.aliases.json
@@ -1,5 +1,5 @@
 {
-  "indices.alias": {
+  "indices.aliases": {
     "documentation": "http://www.elasticsearch.org/guide/reference/api/admin-indices-aliases/",
     "methods": ["GET", "POST"],
     "url": {