GraphQL docs - lowercase description

Lowercasing Iterations -> iterations

doc/api/graphql/reference/gitlab_schema.graphql

@@ -5100,7 +5100,7 @@ type Group {
     iid: ID
 
     """
-    Whether to include ancestor Iterations. Defaults to true
+    Whether to include ancestor iterations. Defaults to true
     """
     includeAncestors: Boolean
 

doc/api/graphql/reference/gitlab_schema.json

@@ -14112,7 +14112,7 @@
                 },
                 {
                   "name": "includeAncestors",
-                  "description": "Whether to include ancestor Iterations. Defaults to true",
+                  "description": "Whether to include ancestor iterations. Defaults to true",
                   "type": {
                     "kind": "SCALAR",
                     "name": "Boolean",

ee/app/graphql/resolvers/iterations_resolver.rb

@@ -19,7 +19,7 @@ module Resolvers
              description: 'The internal ID of the Iteration to look up'
     argument :include_ancestors, GraphQL::BOOLEAN_TYPE,
              required: false,
-             description: 'Whether to include ancestor Iterations. Defaults to true'
+             description: 'Whether to include ancestor iterations. Defaults to true'
 
     type Types::IterationType, null: true