diff --git a/README.md b/README.md
index ebdab8b01a9e1ddb7b01c0390e507af765cfe686..2a6ccd75c19a86792df5d5e1b6b540e62ef92794 100644
--- a/README.md
+++ b/README.md
@@ -32,17 +32,17 @@
 - projects, intros
     - Rui
         - http://news.mit.edu/2020/proteins-cytokine-storms-covid-19-0416
-    - ? pulse oximeter
-        - https://gitlab.cba.mit.edu/pub/coronavirus/tracking/-/issues/42
     - Dina
         - https://www.bostonglobe.com/2020/04/23/nation/tech-out-mit-may-allow-caregivers-monitor-coronavirus-patients-distance/
+    - ? Zach pulse oximeter
+        - https://gitlab.cba.mit.edu/pub/coronavirus/tracking/-/issues/42
     - Kohshi, Alfonso
     - Juanma, Carlos, Alvaro
         - https://www.airbus.com/
-    - Karina
-        - https://www.makersforcovid19.com/
     - Alex
         - https://www.dupont.com/brands/tyvek.html
+    - Karina
+        - https://www.makersforcovid19.com/
     - ? David
         - UVC
     - ? Bruce