Update practicalSession-1.md

practicalSession-1.md

@@ -13,7 +13,9 @@ In the folder `session-1`. Each question has its sub-folder.
 The script `compilerun.sh` compiles all the code and runs the tests.
 
 After `q1`, you can copy-paste the classes and tests created for `q1` into `q2` (etc.) to speed-up the coding tasks of the next questions.
-**Beware: you must change the name of the test classes for each question. For example with Q2, use `class GuidonTestQ2` and `class VeloTestQ2`**
+**Beware: you must change:**
+- **the name of the test classes for each question. For example with Q2, use `class GuidonTestQ2` and `class VeloTestQ2`**
+- **the name of the classes for each question. For example with Q2, use `class GuidonQ2` and `class VeloQ2` and also change the attribute types, etc.**
 
 For each question you have to write tests.