doc correction

Author: jreback

pandas/indexes/frozen.py

@@ -127,11 +127,12 @@ def searchsorted(self, v, side='left', sorter=None):
         See Also
         --------
         numpy.searchsorted : equivalent function
-        Type:      method_descriptor
         """
 
-        # we are much more performant if we have the same
-        # type as the indexer
+        # we are much more performant if the searched
+        # indexer is the same type as the array
+        # this doesn't matter for int64, but DOES
+        # matter for smaller int dtypes
         try:
             v = self.dtype.type(v)
         except: