diff --git a/self_hosting/services/collabora/README.md b/self_hosting/services/collabora/README.md
index a025477..cdeca1a 100644
--- a/self_hosting/services/collabora/README.md
+++ b/self_hosting/services/collabora/README.md
@@ -124,7 +124,7 @@ Configure SSL using reverse proxy, secure and fast.
 
 Here I set SSL to false:
 
-```
+```xml
 ...
 <ssl desc="SSL settings">
         <!-- switches from https:// + wss:// to http:// + ws:// -->
@@ -134,7 +134,7 @@ Here I set SSL to false:
 
 Here I set termination to true:
 
-```
+```xml
 ...
 <!-- SSL off-load can be done in a proxy, if so disable SSL, and enable termination below in production -->
 <termination desc="Connection via proxy where coolwsd acts as working via https, but actually uses http." type="bool" default="true">true</termination>