This is to align with commit
600bda47.
Signed-off-by: Changcheng Liu <changcheng.liu@aliyun.com>
* bound on the actual osd death. down_at (if it is > up_from) is an
* upper bound on the actual osd death.
*
- * the second is the last_clean interval [first,last]. in that case,
+ * the second is the last_clean interval [begin,end). in that case,
* the last interval is the last epoch known to have been either
* _finished_, or during which the osd cleanly shut down. when
* possible, we push this forward to the epoch the osd was eventually