Update Feodra install instructions

ianschmitz · web-flow · commit a7110a70650a · 2020-03-12T15:50:34.000-07:00
Updated instructions to use `dnf` package manager instead of `yum`, which has been the default package manager in Fedora since Fedora 22 (2015).
diff --git a/README.md b/README.md
@@ -84,7 +84,14 @@ Install and upgrade:
 1. Download the `.deb` file from the [releases page][]
 2. `sudo apt install git && sudo dpkg -i gh_*_linux_amd64.deb`  install the downloaded file
 
-### Fedora/Centos Linux
+### Fedora Linux
+
+Install and upgrade:
+
+1. Download the `.rpm` file from the [releases page][]
+2. `sudo dnf install gh_*_linux_amd64.rpm` install the downloaded file
+
+### Centos Linux
 
 Install and upgrade:
 
