MINOR: fix inconsistance in LogCleaner javadoc
Reviewers: Guozhang Wang
@@ -55,7 +55,7 @@ import scala.collection.JavaConverters._
* To clean a log the cleaner first builds a mapping of key=>last_offset for the dirty section of the log. See kafka.log.OffsetMap for details of
* the implementation of the mapping.
*
- * Once the key=>offset map is built, the log is cleaned by recopying each log segment but omitting any key that appears in the offset map with a
+ * Once the key=>last_offset map is built, the log is cleaned by recopying each log segment but omitting any key that appears in the offset map with a
* higher offset than what is found in the segment (i.e. messages with a key that appears in the dirty section of the log).
*
* To avoid segments shrinking to very small sizes with repeated cleanings we implement a rule by which if we will merge successive segments when
