--- doc/build/centos7_install.frag	2019/12/02 21:58:24	1.2
+++ doc/build/centos7_install.frag	2021/03/09 13:51:25	1.4
@@ -122,7 +122,7 @@ system-config-firewall-tui
 
 <h2>4. <a name="upd">Update your system</a></h2>
 <p>
-Enable access to the EPEL repository
+If you are using 64-bit architecture enable access to the EPEL repository.  Execute:
 </p>
 <pre>
 yum install epel-release
@@ -157,12 +157,12 @@ Verify the required repositories are ena
 yum repolist enabled
 </pre>
 <p>
-The list of enabled repos should be as follows (where $basearch = x86_64 or i386):
+The list of enabled repos should be as follows (where $basearch = x86_64 or i386). The epel repo will be absent if you are using 32-bit architecture.
 </p>
 <table style="border: 0px; border-collapse: collapse;">
 <tr><th>repo id</th><th>repo name</th></tr>
 <tr><td>base/7/$basearch</td><td>CentOS-7 - Base<td></tr>
-<tr><td>epel/$basearch</td><td>Extra Packages for Enterprise Linux 7 - $basearch</td></tr>
+<tr><td>epel/x86_64</td><td>Extra Packages for Enterprise Linux 7 - x86_64</td></tr>
 <tr><td>extras/7/$basearch</td><td>CentOS-7 - Extras</td></tr>
 <tr><td>loncapa-updates-basearch/7/$basearch</td><td>CentOS 7 LON-CAPA $basearch Updates</td></tr>
 <tr><td>loncapa-updates-noarch/7</td><td>CentOS 7 LON-CAPA noarch Updates</td></tr>