style: fix trailing whitespace in README.rst

README.rst

@@ -381,7 +381,7 @@ Seeding the Generator
 
 When using Faker for unit testing, you will often want to generate the same
 data set. For convenience, the generator also provide a ``seed()`` method,
-which seeds the shared random number generator. Seed produces the same result 
+which seeds the shared random number generator. Seed produces the same result
 when the same methods with the same version of faker are called.
 
 .. code:: python