Fix one character typo (#1039)

* Fix one character typo

* Fix label position in internals/parser.rst

Co-authored-by: C.A.M. Gerlach <CAM.Gerlach@Gerlach.CAM>

Co-authored-by: Ezio Melotti <ezio.melotti@gmail.com>
Co-authored-by: C.A.M. Gerlach <CAM.Gerlach@Gerlach.CAM>

Author: 3 people

internals/parser.rst

@@ -92,11 +92,11 @@ Key ideas
   PEG parser doesn't have a concept of "where the :exc:`SyntaxError` is".
 
 
-Consequences or the ordered choice operator
--------------------------------------------
-
 .. _consequences-of-ordered-choice:
 
+Consequences of the ordered choice operator
+-------------------------------------------
+
 Although PEG may look like EBNF, its meaning is quite different. The fact
 that in PEG parsers alternatives are ordered (which is at the core of how PEG
 parsers work) has deep consequences, other than removing ambiguity.