#18705: fix a number of typos.  Patch by FĂ©vry Thibault.
diff --git a/Lib/optparse.py b/Lib/optparse.py
index 37764d3..22405d5 100644
--- a/Lib/optparse.py
+++ b/Lib/optparse.py
@@ -1463,7 +1463,7 @@
         """_match_long_opt(opt : string) -> string
 
         Determine which long option string 'opt' matches, ie. which one
-        it is an unambiguous abbrevation for.  Raises BadOptionError if
+        it is an unambiguous abbreviation for.  Raises BadOptionError if
         'opt' doesn't unambiguously match any long option string.
         """
         return _match_abbrev(opt, self._long_opt)