[homematic] Update README.md (#13159)

* Update README.md

diff --git a/bundles/org.openhab.binding.homematic/README.md b/bundles/org.openhab.binding.homematic/README.md
index a3e1dd6718fe99c1d5f07a1323a2dd9b0a7522ca..b27a6987a94fb0bced13a7eb93a2f69ead363ff0 100644 (file)
--- a/bundles/org.openhab.binding.homematic/README.md
+++ b/bundles/org.openhab.binding.homematic/README.md
@@ -663,13 +663,20 @@ In scripts:
 :::: tabs
 
 ::: tab JavaScript
+ 
+``` javascript
 import org.openhab.core.types.RefreshType
 ...
 Var_1.sendCommand(RefreshType.REFRESH)
+```
+
 :::
 
 ::: tab DSL
+
+``` php
 Var_1.sendCommand(REFRESH)
+```
 :::
 
 ::::