set_with_meta.md: Fix markdown formatting
set_with_meta.md: Fix markdown formatting

Change-Id: I172a42181f87846c821923a1e7dec25097e2c361
Reviewed-on: http://review.couchbase.org/89329
Reviewed-by: Trond Norbye <60edd2ef23891a753f231b0c6f161dc634079a93@gmail.com>
Tested-by: Dave Rigby <a09264da4832c7ff1d3bf1608a19f4b870f93750@couchbase.com>

daverigby/kv_engine,daverigby/kv_engine,daverigby/kv_engine,daverigby/kv_engine