Update README.md

README.md

@@ -139,7 +139,10 @@ See [Parameters](#parameters) for more details.
 
 ### Predefined Board Configurations
 
-By selecting a Board and a Board Revision in the Arduino IDE, a define is passed to the preprocessor/compiler. For the boards listed in [Supported Hardware](#supported-hardware), the default configuration is assumed based on this define. If this is not what you need, you have to switch to Manual Configuration.
+> [!NOTE]
+> By using one of the boards listed in [Supported Hardware](#supported-hardware) and selecting this board / board revision in the Arduino IDE, you get a working hardware configuration.
+ 
+By selecting a Board and a Board Revision in the Arduino IDE, a define is passed to the preprocessor/compiler. A default configuration is assumed based on this define. If this is not what you need, you have to switch to Manual Configuration.
 
 If you are not using the Arduino IDE, you can use the defines in [Supported Hardware](#supported-hardware) with your specific tool chain to get the same result.