Comment 2 for bug 997619

The documentation in the "Configurable Insert Buffer" ( http://www.percona.com/doc/percona-server/5.5/scalability/innodb_insert_buffer.html ) page is mixed, for the "innodb_ibuf_accel_rate" variable only the name is correct, in the variable description is always used the "innodb_ibuf_merge_rate" name.