gcc/ChangeLog:
* gcov-io.h: Fix record length encoding in comment.
Records are not nested, but there is a record hierarchy. Tag
numbers reflect this hierarchy. Tags are unique across note and
data files. Some record types have a varying amount of data. The
- LENGTH is the number of 4bytes that follow and is usually used to
+ LENGTH is the number of bytes that follow and is usually used to
determine how much data. The tag value is split into 4 8-bit
fields, one for each of four possible levels. The most significant
is allocated first. Unused levels are zero. Active levels are