diff --git a/Works-in-progress.md b/Works-in-progress.md
index d34a073..1d7d2f1 100644
--- a/Works-in-progress.md
+++ b/Works-in-progress.md
@@ -39,9 +39,11 @@
             - [ ] `ieee1394_election`
 - [ ] Datastructures
     - [ ] `flat_tree`
-    - [-] UTF-8 `string` (See BigJ's string)
+    - [x] `pair`
+    - [x] `vector`
+    - [ ] UTF-8 `string` (See BigJ's string)
         - [ ] UTF-8 range identification function
-    - [-] CBOR parser and serializer
+    - [ ] CBOR parser and serializer
     - [ ] `tuple`
     - Filesystems
         - [ ] `generic_filesystem` type erasing wrapper (`gp::function` style?)
@@ -59,7 +61,7 @@
     - [ ] Better split of algorithm headers
     - [ ] Better split of the tests
     - [ ] Use concepts for most things
-    - [-] Polymorphic allocators everywhere (as allocator pointers in the template parameters)
+    - [ ] Polymorphic allocators everywhere (as allocator pointers in the template parameters)
         - [ ] `generic_allocator` type erasing wrapper (`gp::function` style?)
         - [x] fix `ring_list`
         - [x] fix `function`
\ No newline at end of file