diff --git a/overlay_templates/PCA9543Mux.template b/overlay_templates/PCA9543Mux.template
index d85a6c3..bb4b9ea 100644
--- a/overlay_templates/PCA9543Mux.template
+++ b/overlay_templates/PCA9543Mux.template
@@ -1,14 +1,14 @@
 /dts-v1/;
 /plugin/;
 / {
-    compatible = "$platform";
+    compatible = "$Platform";
     fragment@0{
-        target = <&i2c$bus>;
+        target = <&i2c$Bus>;
         __overlay__{
             status = "okay";
-            $Name: smbus_mux@$address {
+            $Name: smbus_mux@$Address {
                 compatible = "nxp,pca9543";
-                reg = <0x$address>;
+                reg = <0x$Address>;
                 #address-cells = <1>;
                 #size-cells = <0>;
                 oemname1 = "$Name";