diff --git a/nagios/xi/Nagios-Container.txt b/nagios/xi/README.md
similarity index 70%
rename from nagios/xi/Nagios-Container.txt
rename to nagios/xi/README.md
index 9d1648e7..afb12c1d 100755
--- a/nagios/xi/Nagios-Container.txt
+++ b/nagios/xi/README.md
@@ -1,16 +1,21 @@
-Nagios XI Container v5.4
+## Nagios XI Container v5.5.6
+```
+docker pull lerndevops/nagios:xi5.5.6
+```
+```
+docker run -d -p 80:80 --name nagiosxi lerndevops/nagios:xi5.5.6
+```
+
+## Nagios XI Container v5.4
 
+```
 docker pull lerndevops/nagios:xi5.4
+```
+```
 docker run -d -p 80:80 -p 5666:5666 -p 5667:5667 --name nagiosxi lerndevops/nagios:xi5.4
-
-
+```
+```
 80 : apache
 5666 : NRPE
 5667 : NSCA
-
-=======================================================
-
-Nagios XI Container v5.5.6
-
-docker pull lerndevops/nagios:xi5.5.6
-docker run -d -p 80:80 --name nagiosxi lerndevops/nagios:xi5.5.6
+```