diff --git a/03-typing/03-typing.tex b/03-typing/03-typing.tex
index 2f3dad4640054a74582d28f99d2776848f423fd5..467abaad58981c3f25d3cb23c849a0cd545a43f3 100644
--- a/03-typing/03-typing.tex
+++ b/03-typing/03-typing.tex
@@ -7,7 +7,7 @@
 \title{Programování 2: Typové anotace}
 \author[Martin Mareš]{Martin Mareš\\\texttt{mj@ucw.cz}}
 \institute{Katedra Aplikované Matematiky\\MFF UK Praha}
-\date{2020}
+\date{2021}
 \setbeamersize{text margin left=5mm}
 \setbeamersize{text margin right=5mm}
 \begin{document}
@@ -116,7 +116,7 @@ Parametrizovaný typ pro seznamy.
 
 {\tt\color{blue}
 from typing import Optional\\
-def center(s: str, šíře: Optional[int]=80) -> str:
+def center(s: str, w: Optional[int]=None) -> str:
 }
 
 \smallskip