--- a/style.sty	Thu Dec 31 23:40:48 2015 +0000
+++ b/style.sty	Tue Jan 05 01:46:41 2016 +0000
@@ -55,4 +55,5 @@
 \end{tabular}
 \end{center}
 
-\noindent Solutions will only be accepted until 30th December!}\bigskip}
+\noindent Solutions will only be accepted until 30th December! Please send only
+one homework per email.}\bigskip}