diff --git a/pandas/core/frame.py b/pandas/core/frame.py
index 3ec575a849abe..7cdb37a76d563 100644
--- a/pandas/core/frame.py
+++ b/pandas/core/frame.py
@@ -6448,7 +6448,7 @@ def update(
         See Also
         --------
         dict.update : Similar method for dictionaries.
-        DataFrame.merge : For column(s)-on-columns(s) operations.
+        DataFrame.merge : For column(s)-on-column(s) operations.
 
         Examples
         --------
@@ -7984,7 +7984,7 @@ def join(
 
         See Also
         --------
-        DataFrame.merge : For column(s)-on-columns(s) operations.
+        DataFrame.merge : For column(s)-on-column(s) operations.
 
         Notes
         -----