Merge pull request #422 from rszheng/patch-1

Update bloom.py

Author: pipermerriam

ethereum/bloom.py

@@ -6,7 +6,7 @@
 component (except data) of each log entry of each transaction.
 
 We set the bits of a 2048-bit value whose indices are given by
-the low order 9-bits
+the low order 11-bits
 of the first three double-bytes
 of the SHA3
 of each value.