manpagedescription()
-rsync is a program that behaves in much the same way that rcp does,
+Rsync is a program that behaves in much the same way that rcp does,
but has many more options and uses the rsync remote-update protocol to
greatly speed up file transfers when the destination file is being
updated.
an efficient checksum-search algorithm described in the technical
report that accompanies this package.
-It finds files that need to be transferred using a "quick check" algorithm
+Rsync finds files that need to be transferred using a "quick check" algorithm
that looks for files that have changed in size or in last-modified time (by
default). Any changes in the other preserved attributes (as requested by
options) are made on the destination file directly when the quick check
dit(bf(--size-only)) This modifies rsync's "quick check" algorithm for
finding files that need to be transferred, changing it from the default of
transferring files with either a changed size or a changed last-modified
-time to just transferring files that have a changed size. This is useful
+time to just looking for files that have changed in size. This is useful
when starting to use rsync after using another mirroring system which may
not preserve timestamps exactly.