--- a/hws/hw01.tex	Sun Oct 01 13:35:51 2023 +0100
+++ b/hws/hw01.tex	Sun Oct 01 15:25:22 2023 +0100
@@ -134,7 +134,7 @@
 \item Given the extended regular expression \texttt{[b-d]a?e+},
   what does the equivalent basic regular expression look like?
   
-  \solution{$(b + c + d) \cdot (a + 0) \cdot (e \cdot e^*)$}
+  \solution{$(b + c + d) \cdot (a + \ONE) \cdot (e \cdot e^*)$}
   
   
 \item \POSTSCRIPT