diff --git a/modin/core/storage_formats/base/query_compiler.py b/modin/core/storage_formats/base/query_compiler.py
index c3fbd9f210f..16690b6e982 100644
--- a/modin/core/storage_formats/base/query_compiler.py
+++ b/modin/core/storage_formats/base/query_compiler.py
@@ -1964,6 +1964,7 @@ def stack(self, level, dropna, sort):
         ----------
         level : int or label
         dropna : bool
+        sort : bool
 
         Returns
         -------