diff --git a/TODO.md b/TODO.md
index d5c0b97..5c3b684 100644
--- a/TODO.md
+++ b/TODO.md
@@ -3,19 +3,6 @@
 - [ ] Add unit tests all over the place.
   - ⚠️ Huge task - needs breakdown before starting
 
-- [ ] Add logging service
-  - New golang program, in the same directory as master
-    - Intended to be started by master
-    - Listens to a port specified command line arg
-    - Accepts POSTed (or possibly PUT) json messages, currently in a
-      to-be-defined format.  We will work on this format later.
-    - Keeps the most recent N messages in memory.  N can be a fairly large
-      number; let's start by assuming 1 million.
-      
-- [ ] Log to logging service from the express backend
-  - Fill out types and functions in `express/logging.ts`
-  
-
 - [ ] Create initial docker-compose.yml file for local development
   - include most recent stable postgres
 
@@ -87,3 +74,14 @@
 - [x] Add wrapper script to run master program (so that various assumptions related
   to relative paths are safer)
 
+- [x] Add logging service
+  - New golang program, in the same directory as master
+    - Intended to be started by master
+    - Listens to a port specified command line arg
+    - Accepts POSTed (or possibly PUT) json messages, currently in a
+      to-be-defined format.  We will work on this format later.
+    - Keeps the most recent N messages in memory.  N can be a fairly large
+      number; let's start by assuming 1 million.
+
+- [x] Log to logging service from the express backend
+  - Fill out types and functions in `express/logging.ts`