Coding-Guidelines.md

@@ -21,6 +21,7 @@ Recursive code is hard to read and debug, and can easy lead to stack overflow er
 - **Every class with a virtual function shall define a virtual destructor**  
 Avoid undefined behavior where a derived class is destroyed through a reference to the base class, possibly leaking resources.
 - **Every header file shall be guarded using defines containing the full project path of the file**  
+Avoid conflicts when having files with the same name in multiple directories.
 Example: File `src/shared/sensors/ExampleSensor.h`
 ```
 #ifndef SRC_SHARED_SENSORS_EXAMPLESENSOR_H