Clarify the installation of EPEL repository on CentOS vs RHEL

diff --git a/doc/02-installation.md b/doc/02-installation.md
index b247ca9725866573cc7f07a33dd9e407f0ae1440..362fb22e31bf073295585047936dc4e68314a579 100644 (file)
--- a/doc/02-installation.md
+++ b/doc/02-installation.md
@@ -147,7 +147,19 @@ CentOS 7/6:
 yum install epel-release
 ```
 
-If you are using RHEL you need to enable the `optional` repository and then install
+RHEL 7:
+
+```
+yum install https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm
+```
+
+RHEL 6:
+
+```
+yum install https://dl.fedoraproject.org/pub/epel/epel-release-latest-6.noarch.rpm
+```
+
+If you are using RHEL 6 or 7 you need to additionally enable the `optional` repository before installing
 the [EPEL rpm package](https://fedoraproject.org/wiki/EPEL#How_can_I_use_these_extra_packages.3F).
 
 ```