update changes

master_changes.md

@@ -270,11 +270,11 @@ users)
   * Speedup the compiler compilation phase for the docker builds [#5387 @kit-ty-kate]
 
 ## Admin
-  * ✘ `opam admin cache` now ignores all already present cache files. Option
-    `--check-all` restores the previous behaviour of validating all checksums.
+  * ✘ `opam admin cache` now ignores all already present cache files. Option `--check-all` restores the previous behaviour of validating all checksums.
   * [BUG] Fix repo-upgrade internal error [#4965 @AltGr]
   * [BUG] Fix `--environment` documentation [#5235 @rjbou - fix #5184]
   * [BUG] Fix opam admin add-constraint failing with Not_found in some situations [#5336 @kit-ty-kate - fix #5334]
+  * ✘ Add `opam admin add-constraint <cst> --packages` to select a subset of packages to apply constraints [#5386 @rjbou]
 
 ## Opam installer
   *
@@ -403,6 +403,7 @@ users)
   * Add a windows test to check case insensitive environment variable handling [#5356 @dra27]
   * Fix the reftests on OCaml 5.0 [#5402 @kit-ty-kate]
   * Add `admin` command reftest [#5385 #5336 @rjbou @kit-ty-kate]
+  * Add `admin` command reftest [#5386 #5385 #5336 @rjbou @kit-ty-kate]
 
 ### Engine
   * Add `opam-cat` to normalise opam file printing [#4763 @rjbou @dra27] [2.1.0~rc2 #4715]