Fixed typo mutiplication -> multiplication. (#26489)

Author: javabrett

pandas/core/frame.py

@@ -918,7 +918,7 @@ def __len__(self):
 
     def dot(self, other):
         """
-        Compute the matrix mutiplication between the DataFrame and other.
+        Compute the matrix multiplication between the DataFrame and other.
 
         This method computes the matrix product between the DataFrame and the
         values of an other Series, DataFrame or a numpy array.