[TI] Compact: Add some notes

semester3/ti-compact/ti-compact.tex

@@ -50,6 +50,8 @@ It does not aim to serve as a full replacement for the book or my main summary,
 
 It also lacks some formalism and is only intended to give some intuition, six pages are really not enough for a formal and complete overview of the topic.
 
+As general recommendations, try to substitute possibly ``weird'' definitions in multiple choice to see a definition from the book.
+
 
 \input{parts/01_words-alphabets.tex}
 \input{parts/02_finite-automata.tex}