Minor cleanup

Misc/Warm-Ups/regex.tex

@@ -1,5 +1,3 @@
-% use [nosolutions] flag to hide solutions.
-% use [solutions] flag to show solutions.
 \documentclass[
 	solutions,
 	nowarning
@@ -19,6 +17,8 @@
 		{The Regex Warm-Up}
 		{Prepared by Mark on \today}
 
+	\vspace{2mm}
+
 	Last time, we discussed Deterministic Finite Automata. One interesting application of these mathematical objects is found in computer science: Regular Expressions. \\
 	(abbreviated \say{regex}, which is pronounced like \say{gif})