diff --git a/docs/docs.pdf b/docs/docs.pdf
index 567b19b..226e9f0 100644
Binary files a/docs/docs.pdf and b/docs/docs.pdf differ
diff --git a/main/cs.tex b/main/cs.tex
index aa16228..6e06e9c 100644
--- a/main/cs.tex
+++ b/main/cs.tex
@@ -20,7 +20,7 @@
 \newcommand{\tcl}[1]{\Omega\left(#1\right)}
 \newcommand{\wordbool}{(\Sigma_{\text{bool}})^*}
 \newcommand{\words}[1]{(\Sigma_{\text{#1}})^*}
-\newcommand{\word}{(\Sigma)^*}
+\newcommand{\word}{\Sigma^*}
 \newcommand{\wordm}[1]{\Sigma_{\text{#1}}^*}
 \newcommand{\alphabets}[1]{\Sigma_{\text{#1}}}
 \newcommand{\alphabetbool}{\Sigma_{\text{bool}}}