diff --git a/pandas/core/strings.py b/pandas/core/strings.py
index 6349af4d2e0ac..0c0ddad5fb6d9 100644
--- a/pandas/core/strings.py
+++ b/pandas/core/strings.py
@@ -2063,6 +2063,7 @@ def cat(self, others=None, sep=None, na_rep=None, join=None):
         See Also
         --------
         split : Split each string in the Series/Index
+        join : Join lists contained as elements in the Series/Index
 
         Examples
         --------