can not modify configuration in hbase shell

[ch huang]

hi ,mailist:
              i try to modify a column family configuration use alert table
command ,but failed ,why?

hbase(main):005:0> create 'alex_test', {NAME => 'f1', CONFIGURATION =>
{'hbase.hstore.blockingStoreFiles' => '10'}
hbase(main):006:1> }
NameError: uninitialized constant CONFIGURATION

hbase(main):008:0> version
0.94.6-cdh4.4.0, rUnknown, Tue Sep  3 20:09:51 PDT 2013