--- a/hws/hw08.tex	Fri Nov 27 12:10:21 2015 +0000
+++ b/hws/hw08.tex	Wed Dec 02 01:57:07 2015 +0000
@@ -21,7 +21,7 @@
       them mine for Bitcoins?
 
 \item Is it possible that Bitcoins can get lost (be
-      unretrievable)?
+      irretrievable)?
 
 \end{enumerate}
 \end{document}