Repaired typos in comments.
diff --git a/Lib/dumbdbm.py b/Lib/dumbdbm.py
index 4e426f1..1475361 100644
--- a/Lib/dumbdbm.py
+++ b/Lib/dumbdbm.py
@@ -39,7 +39,7 @@
     # gets called.  One place _commit() gets called is from __del__(),
     # and if that occurs at program shutdown time, module globals may
     # already have gotten rebound to None.  Since it's crucial that
-    # _commit() finish sucessfully, we can't ignore shutdown races
+    # _commit() finish successfully, we can't ignore shutdown races
     # here, and _commit() must not reference any globals.
     _os = _os       # for _commit()
     _open = _open   # for _commit()
diff --git a/Misc/NEWS b/Misc/NEWS
index 1098ad3..0f329df 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -42,7 +42,7 @@
   on-disk data and directory files can be left in mutually inconsistent
   states.  dumbdbm.py's _Database.__del__() method attempted to close
   the database properly, but a shutdown race in _Database._commit()
-  could prevent this form working, so that a program trusting __del__()
+  could prevent this from working, so that a program trusting __del__()
   to get the on-disk files in synch could be badly surprised.  The race
   has been repaired.