diff --git a/examples/platform/silabs/efr32/spi_multiplex.h b/examples/platform/silabs/efr32/spi_multiplex.h
index a5151f328d86c0..0c926b809fab1a 100644
--- a/examples/platform/silabs/efr32/spi_multiplex.h
+++ b/examples/platform/silabs/efr32/spi_multiplex.h
@@ -15,6 +15,13 @@
  *    limitations under the License.
  */
 
+/*
+ * This file contains all the functions specific to the MG24 family for
+ * multiplexing the SPI port with WiFi NCP and other WSTK
+ * devices such as External Flash and LCD.
+ * That can be extended to other families as well.
+ */
+
 #pragma once
 
 #if defined(EFR32MG24)