--- a/style.sty	Tue Oct 03 20:10:54 2017 +0100
+++ b/style.sty	Tue Oct 03 22:43:03 2017 +0100
@@ -42,7 +42,8 @@
 
 \newcommand{\HEADER}{{\bf Please submit your solutions to the
 email address 7ccsmsen at gmail dot com. Please submit only one
-homework per email. Please also submit only
+homework per email. Work in pairs and submit a \underline{single}
+solution! CC the email to your partner. Please also submit only
 ASCII text or PDFs (no .docs etc). Every solution should be preceded by the
 corresponding question, like:
 
@@ -56,8 +57,7 @@
 \end{center}
 
 \noindent Solutions will only be accepted until
-20th December! Submit with your partner a \underline{single} solution!}\bigskip}
-
+20th December!}} 
 \newcommand{\POSTSCRIPT}{
 {\bf (Optional)} This question is for you to provide 
 regular feedback to me, for example