[FMFP] Add note on promela exam relevance

semester4/fmfp/parts/06_exercises/03_checklist.tex

@@ -8,7 +8,7 @@ These are (some of) the things that we need to learn by heart for the exam
     \item LTL symbols
     \item Induction scheme (especially structural induction and shape of derivation tree)
     \item Ideally for shortness the CYP syntax (roughly, they said they'd not deduct points for incorrect CYP syntax)
-    \item Promela syntax
+    \item Promela syntax (and possibly Viper), but they stated that we don't need to know that well
     \item Read through PVW script (it's VERY good and has some handy tips and tricks for all types of exercises)
 \end{todolist}