diff --git a/source/_integrations/modbus.markdown b/source/_integrations/modbus.markdown
index e1d04a81fd4..d54a70cb14b 100644
--- a/source/_integrations/modbus.markdown
+++ b/source/_integrations/modbus.markdown
@@ -339,10 +339,12 @@ modbus:
 
 modbus entities are grouped below each modbus communication entry.
 
-All modbus entities have the following parameters:
+**REMARK** Each modbus device must have at least 1 entity defined, otherwise the integration will not be loaded.
 
 Please refer to [Parameter usage](#parameters-usage-matrix) for conflicting parameters.
 
+All modbus entities have the following parameters:
+
 {% configuration %}
 address:
   description: "Address of coil/register."