Fix typo

2018-01-28 20:47:42 -06:00 · 2018-01-28 20:47:42 -06:00 · 88dc5d8a1f
--- a/README.md
+++ b/README.md
@ -21,7 +21,7 @@ $ crystal deps

 ### Installing Postgres:

-Onn Arch:
+On Arch:
 Install according to the [wiki](https://wiki.archlinux.org/index.php/PostgreSQL), then setup database with:
 ```bash
 $ ./setup.sh