diff --git a/DCC-validator/installation.md b/DCC-validator/installation.md
index c663782efe1399479fa65e7ac24bcc882e59763b..75f04b19f9789358b656e2a4d4b0c6e39ab9c125 100755
--- a/DCC-validator/installation.md
+++ b/DCC-validator/installation.md
@@ -99,7 +99,7 @@ Install factories module
 
 Replace this property `${DEPLOYMENT_PROPERTIES}` with your own path to the deployment property:
 
-   ```xml
+   ```txt
    <subsystem xmlns="urn:jboss:domain:naming:2.0">
       <bindings>
          <object-factory name="java:/app/gazelle/dcc-validator/operational-preferences" module="net.ihe.gazelle.factories" class="net.ihe.gazelle.factories.PropertiesFactory">