Fixed Issue No. pandas-dev#43755

Author: Varun270

pandas/core/frame.py

@@ -10563,7 +10563,7 @@ def isin(self, values) -> DataFrame:
 
         When ``values`` is a Series or DataFrame the index and column must
         match. Note that 'falcon' does not match based on the number of legs
-        in df2.
+        in other.
 
         >>> other = pd.DataFrame({'num_legs': [8, 2], 'num_wings': [0, 2]},
         ...                      index=['spider', 'falcon'])