Follows-up
1171cc00cd.
Change-Id: I97189e916d0aba507273216e3e9ab28ce0d5ffec
* only use the primary store.
* - replication: Either 'sync' or 'async'. This controls whether writes
* to secondary stores are deferred when possible. Async writes
- * require setting 'asyncCallback'. HHVM register_postsend_function() function.
+ * require setting 'asyncHandler'. HHVM register_postsend_function() function.
* Async writes can increase the chance of some race conditions
* or cause keys to expire seconds later than expected. It is
* safe to use for modules when cached values: are immutable,