Fix two typos in multiprocessing (pythonGH-19571)

(cherry picked from commit c606624)

Co-authored-by: Galden <[email protected]>

Author: wudenggang

Lib/multiprocessing/managers.py

@@ -50,7 +50,7 @@ def rebuild_as_list(obj):
 
 class Token(object):
     '''
-    Type to uniquely indentify a shared object
+    Type to uniquely identify a shared object
     '''
     __slots__ = ('typeid', 'address', 'id')
 
@@ -805,7 +805,7 @@ def _connect(self):
 
     def _callmethod(self, methodname, args=(), kwds={}):
         '''
-        Try to call a method of the referrent and return a copy of the result
+        Try to call a method of the referent and return a copy of the result
         '''
         try:
             conn = self._tls.connection