Added faq for no result key

Shepherd.tex

@@ -419,10 +419,12 @@ Try your skills on the harder non-compulsory challenges in
 \cref{sec:hard-challenges}. If you want still more challenges, check out
 \cref{sec:ctf}!
 
-\section{My result key isn't working!}
-First, check to see if your username contains non-latin characters such as
-ÅÄÖ. If this is the case, contact us and we'll help you change your username.
-Apparently, ÅÄÖ in the username can mess up the result key mechanism.
+\section{I don't get a result key, only \enquote{Key Should be here! Please
+refresh the home page and try again! If that doesn't work, sign in and out
+again!}}
+This is probably because you created a username with non-latin characters such
+as å, ä and ö. If this is the case, contact us (\cref{sec:contact}) and we'll
+help you change your username to a sane one.
 
 \section{The result key in insecure crypto challenges isn't working!}
 Make sure you check that you've got UPPERCASE/lowercase correctly. Some online