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-rw-r--r--rdiff-backup/rdiff-backup.14
1 files changed, 3 insertions, 1 deletions
diff --git a/rdiff-backup/rdiff-backup.1 b/rdiff-backup/rdiff-backup.1
index 097ec73..c22f662 100644
--- a/rdiff-backup/rdiff-backup.1
+++ b/rdiff-backup/rdiff-backup.1
@@ -49,7 +49,9 @@ Force backup mode even if first argument appears to be an increment file.
If this option is set, rdiff-backup will try to change the mode of any
unreadable files or unreadable/unexecutable directories in the source
directory so it can back them up. It will then restore their original
-permissions and mtimes afterwards.
+permissions and mtimes afterwards. This option should generally not
+be used if rdiff-backup has root access to the source directory, as
+root can access files regardless of their permissions.
.TP
.BI "--chars-to-quote " chars
If this option is set, any characters in