diff --git a/docs/docs.pdf b/docs/docs.pdf
index 57b7e50..e35f03b 100644
Binary files a/docs/docs.pdf and b/docs/docs.pdf differ
diff --git a/docs/parts/reference.tex b/docs/parts/reference.tex
index 0eb2341..b97661c 100644
--- a/docs/parts/reference.tex
+++ b/docs/parts/reference.tex
@@ -84,7 +84,7 @@ 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|\alphabetx|\{\textit{string}\} Prints $\alphabetx{test}$
+    \item \verb|\alphabets|\{\textit{string}\} Prints $\alphabets{test}$
 \end{itemize}
 
 \fhlc{Aquamarine}{Algorithms}
diff --git a/main/cs.tex b/main/cs.tex
index 5ee1f9f..69659e7 100644
--- a/main/cs.tex
+++ b/main/cs.tex
@@ -20,7 +20,7 @@
 \newcommand{\wordbool}{(\Sigma_{\text{bool}})^*}
 \newcommand{\words}[1]{(\Sigma_{\text{#1}})^*}
 \newcommand{\wordm}[1]{\Sigma_{\text{#1}}^*}
-\newcommand{\alphabetx}[1]{\Sigma_{\text{#1}}}
+\newcommand{\alphabets}[1]{\Sigma_{\text{#1}}}
 \newcommand{\tR}{\text{R}}
 \newcommand{\tC}{\text{C}}
 \newcommand{\tN}{\text{N}}