Keep only one sample appendix

HY-CS-main.tex

@@ -219,15 +219,11 @@ level.
 
 \appendix{Sample Appendix\label{appendix:sample}}
 
-You can add an appendix to your thesis.
+You can add one or more appendices to your thesis.
 
 An appendix starts on its own page, with the name and number of the appendix at the top. 
 Each appendix is paginated separately.
 
-\appendix{Another Appendix\label{appendix:another}}
-
-You can have more than one appendices.
-
 %% another appendix
 \input{instructions_english}
 %% yet another appendix