diff --git a/main/cs.tex b/main/cs.tex
index 1d074fb..5ee1f9f 100644
--- a/main/cs.tex
+++ b/main/cs.tex
@@ -19,7 +19,7 @@
 \newcommand{\tcl}[1]{\Omega\left(#1\right)}
 \newcommand{\wordbool}{(\Sigma_{\text{bool}})^*}
 \newcommand{\words}[1]{(\Sigma_{\text{#1}})^*}
-\newcommand{\wordm}[1]{(\Sigma_{\text{#1}})^*}
+\newcommand{\wordm}[1]{\Sigma_{\text{#1}}^*}
 \newcommand{\alphabetx}[1]{\Sigma_{\text{#1}}}
 \newcommand{\tR}{\text{R}}
 \newcommand{\tC}{\text{C}}