--- a/hws/hw01.tex	Mon Sep 27 21:24:58 2021 +0100
+++ b/hws/hw01.tex	Wed Sep 29 21:04:41 2021 +0100
@@ -88,7 +88,7 @@
   and by \emph{catastrophic backtracking}?
 
 \item Given the regular expression $(a + b)^* \cdot b \cdot (a + b)^*$,
-  which of the following regular expressions are equyivalent
+  which of the following regular expressions are equivalent
 
 \begin{center}
 \begin{tabular}{ll}