diff --git a/chapter25.tex b/chapter25.tex
index a34227f..fafd27c 100644
--- a/chapter25.tex
+++ b/chapter25.tex
@@ -284,7 +284,7 @@ one bit in $s$.
 
 ~\\
 \noindent
-As an example, consider the state $[10,2,5]$.
+As an example, consider the state $[10,12,5]$.
 This state is a winning state,
 because its nim sum is 3.
 Thus, there has to be a move which