diff --git a/docs/docs.pdf b/docs/docs.pdf
index bed46da..567b19b 100644
Binary files a/docs/docs.pdf and b/docs/docs.pdf differ
diff --git a/docs/parts/reference/cs.tex b/docs/parts/reference/cs.tex
index bcb0621..814deeb 100644
--- a/docs/parts/reference/cs.tex
+++ b/docs/parts/reference/cs.tex
@@ -11,7 +11,9 @@ These commands have to be executed inside math environment, except \verb|\timeco
     \item \verb|\wordbool| Prints $\wordbool$
     \item \verb|\words|\{\textit{string}\} Prints $\words{test}$
     \item \verb|\wordm|\{\textit{math}\} Prints $\wordm{1}$
+    \item \verb|\word| Prints $\word$
     \item \verb|\alphabets|\{\textit{string}\} Prints $\alphabets{test}$
+    \item \verb|\alphabetbool| Prints $\alphabetbool$
 \end{itemize}
 
 \fhlc{Aquamarine}{Algorithms}
diff --git a/main/cs.tex b/main/cs.tex
index 78b4bb0..aa16228 100644
--- a/main/cs.tex
+++ b/main/cs.tex
@@ -20,8 +20,10 @@
 \newcommand{\tcl}[1]{\Omega\left(#1\right)}
 \newcommand{\wordbool}{(\Sigma_{\text{bool}})^*}
 \newcommand{\words}[1]{(\Sigma_{\text{#1}})^*}
+\newcommand{\word}{(\Sigma)^*}
 \newcommand{\wordm}[1]{\Sigma_{\text{#1}}^*}
 \newcommand{\alphabets}[1]{\Sigma_{\text{#1}}}
+\newcommand{\alphabetbool}{\Sigma_{\text{bool}}}
 \newcommand{\tR}{\text{R}}
 \newcommand{\tC}{\text{C}}
 \newcommand{\tN}{\text{N}}