Changed an errant comma to a period in the README

README

@@ -4,7 +4,7 @@ This bloom filter implementation:
    derives the fiddly bits from that; most bloom filter modules ask the enduser to specify the fiddly bits themselves.
 2) Has a nice test suite, including checks for error rate.
 3) Is in pure Python that'll run on CPython 2.x, CPython 3.x, PyPy or Jython.
-4) Has a pair of simple, fast hash functions that give a good error rate - they're better than many of the alternatives,
+4) Has a pair of simple, fast hash functions that give a good error rate - they're better than many of the alternatives.
    They're not Murmur or Jenkins, but the tests strongly suggest that they're working well.
 5) Passes pylint and pep8.
 6) Supports adding elements, testing for membership, and'ing sets and or'ing sets.