diff --git a/doc/man/s3fs.1 b/doc/man/s3fs.1
index f4a9c06..c0e34cb 100644
--- a/doc/man/s3fs.1
+++ b/doc/man/s3fs.1
@@ -10,6 +10,10 @@ S3FS \- FUSE-based file system backed by Amazon S3
 .SS unmounting
 .TP
 \fBumount mountpoint
+For root.
+.TP
+\fBfusermount -u mountpoint
+For unprivileged user.
 .SS utility mode ( remove interrupted multipart uploading objects )
 .TP
 \fBs3fs \-u bucket