diff --git a/Advanced/Group Theory/parts/00 review.tex b/Advanced/Group Theory/parts/00 review.tex
index 7a976fb..498b37b 100755
--- a/Advanced/Group Theory/parts/00 review.tex	
+++ b/Advanced/Group Theory/parts/00 review.tex	
@@ -74,7 +74,7 @@ The set of all units in $\mathbb{Z}_n$ is written $\mathbb{Z}_n^\times$ \\
 Read this as \say{$\mathbb{Z}$ mod $n$ cross}
 
 \problem{}
-What are the elements of $\mathbb{Z}_5^\times$?
+What are the elements of $\mathbb{Z}_5)^\times$?
 
 \begin{solution}
 	$\{1, 2, 3, 4\}$