a little doc

doc/pages/Manual.md

@@ -1298,11 +1298,11 @@ them modified with [`opam option --global`](man/opam-option.html).
   repositories themselves are set up using the
   [repos-config](#reposconfigfield-repositories) file.
 - <a id="configfield-installed-switches">`installed-switches: [ <string> ... ]`</a>:
-  lists the switches configured in this opam root, either internal or local.
-  Deleted local switches are collected by opam automatically, and it is possible
-  to use local switches that are not recorded in this field. It remains useful
-  for cross-switch listings, repository configuration updates, or opam format
-  migrations.
+  lists the switches configured in this opam root, either internal or local,
+  ordered by last-selected first. Deleted local switches are collected by opam
+  automatically, and it is possible to use local switches that are not recorded
+  in this field. It remains useful for cross-switch listings, repository
+  configuration updates, or opam format migrations.
 - <a id="configfield-switch">`switch: <string>`</a>:
   the currently globally selected switch.
 - <a id="configfield-jobs">`jobs: <int>`</a>: