diff --git a/pandas/core/strings/accessor.py b/pandas/core/strings/accessor.py
index 323cb6bd9fedd..d3cdcec9da8f1 100644
--- a/pandas/core/strings/accessor.py
+++ b/pandas/core/strings/accessor.py
@@ -3005,7 +3005,7 @@ def casefold(self):
         "isdigit", docstring=_shared_docs["ismethods"] % _doc_args["isdigit"]
     )
     isspace = _map_and_wrap(
-        "isspace", docstring=_shared_docs["ismethods"] % _doc_args["isalnum"]
+        "isspace", docstring=_shared_docs["ismethods"] % _doc_args["isspace"]
     )
     islower = _map_and_wrap(
         "islower", docstring=_shared_docs["ismethods"] % _doc_args["islower"]