.TP
.B diff [options] <number1> <number2>
-Compare two snapshots. This will show a list of files and directories
-that have been created, modified or deleted in the time between the two
-snapshots have been made.
+Compare the snapshots number1 and number2. This will show a list of files and
+directories that have been created, modified or deleted in the time between
+the two snapshots have been made.
.TP
\fI\-o, \-\-output\fR <file>
Write output to file <file>.
.TP
.B rollback [options] <number1> <number2>
-Rollback changes between the two snapshots.
+Rollback changes done between snapshot number1 and number2.
.TP
\fI\-f, \-\-file\fR <file>
Read the files to rollback from the file <file>.