Update README with new update command (#9203)

Note: `upgrade_oh_my_zsh` is deprecated. Use `omz update` instead.

Update README with new update command (#9203)
Note: `upgrade_oh_my_zsh` is deprecated. Use `omz update` instead.
c785db62 · Kirill Suslov · GitHub · 03b6a725 · c785db62
Unverified Commit c785db62 authored Aug 23, 2020 by Kirill Suslov Committed by GitHub Aug 23, 2020
--- a/README.md
+++ b/README.md
@@ -273,7 +273,7 @@ DISABLE_AUTO_UPDATE=true
 If you'd like to upgrade at any point in time (maybe someone just released a new plugin and you don't want to wait a week?) you just need to run:

 ```shell
-upgrade_oh_my_zsh
+omz update
 ```

 Magic! 🎉