diff --git a/chapter10.tex b/chapter10.tex
index 9c649c9..afa4516 100644
--- a/chapter10.tex
+++ b/chapter10.tex
@@ -77,7 +77,7 @@ of the bit representation, the number will overflow.
 In a signed representation,
 the next number after $2^{n-1}-1$ is $-2^{n-1}$,
 and in an unsigned representation,
-the next number after $2^{n-1}$ is $0$.
+the next number after $2^n-1$ is $0$.
 For example, consider the following code:
 \begin{lstlisting}
 int x = 2147483647