Update doc

doc/manual-src/en/aria2c.rst

@@ -1545,16 +1545,16 @@ Advanced Options
     use meta data (e.g., BitTorrent and Metalink). In this case, there
     are some restrictions.
 
-    1. magnet URI, and followed by torrent download
-        GID of BitTorrent meta data download is saved.
-    2. URI to torrent file, and followed by torrent download
-        GID of torrent file download is saved.
-    3. URI to metalink file, and followed by file downloads described in metalink file
-        GID of metalink file download is saved.
-    4. local torrent file
-        GID of torrent download is saved.
-    5. local metalink file
-        Any meaningful GID is not saved.
+    magnet URI, and followed by torrent download
+       GID of BitTorrent meta data download is saved.
+    URI to torrent file, and followed by torrent download
+       GID of torrent file download is saved.
+    URI to metalink file, and followed by file downloads described in metalink file
+       GID of metalink file download is saved.
+    local torrent file
+       GID of torrent download is saved.
+    local metalink file
+       Any meaningful GID is not saved.
 
 .. option:: --save-session-interval=<SEC>