diff --git a/README.md b/README.md
index 8368757158e..d8ec65d18de 100644
--- a/README.md
+++ b/README.md
@@ -34,10 +34,8 @@ EOSIO currently supports the following operating systems:
 
 1. Amazon Linux 2
 2. CentOS 7
-2. CentOS 7.x
 4. Ubuntu 18.04
 4. Ubuntu 20.04
-5. MacOS 10.14 (Mojave)
 6. MacOS 10.15 (Catalina)
 
 ---
@@ -79,6 +77,11 @@ brew remove eosio
 wget https://github.com/eosio/eos/releases/download/v2.2.0-rc1/eosio_2.2.0-rc1-ubuntu-18.04_amd64.deb
 sudo apt install ./eosio_2.2.0-rc1-ubuntu-18.04_amd64.deb
 ```
+#### Ubuntu 20.04 Package Install
+```sh
+wget https://github.com/eosio/eos/releases/download/v2.2.0-rc1/eosio_2.2.0-rc1-ubuntu-20.04_amd64.deb
+sudo apt install ./eosio_2.2.0-rc1-ubuntu-20.04_amd64.deb
+```
 #### Ubuntu Package Uninstall
 ```sh
 sudo apt remove eosio