diff --git a/script/chapter3.tex b/script/chapter3.tex
index 99eb7fd..eaa0c72 100644
--- a/script/chapter3.tex
+++ b/script/chapter3.tex
@@ -1158,7 +1158,7 @@ \subsection{Spontaneous Breaking of local $\SU(2)$ Theory}
 \begin{align}
 W_\mu^a \mapsto W_\mu^a - \frac{1}{g} \partial_\mu \alpha^a - f^{abc} \alpha_b W_{c \,\mu} .
 \end{align}
-Here $f_{abc} = \epsilon_{abc}$ totally symmetric tensor in three dimension.
+Here $f_{abc} = \epsilon_{abc}$ totally anti-symmetric tensor in three dimension.
 
 Lagrangian becomes
 \begin{align}