diff --git a/exercise-02-plik.pdf b/exercise-02-plik.pdf
index c0257b8..4e22b34 100644
Binary files a/exercise-02-plik.pdf and b/exercise-02-plik.pdf differ
diff --git a/exercise-02-plik.tex b/exercise-02-plik.tex
index 34d3ac2..c39a843 100644
--- a/exercise-02-plik.tex
+++ b/exercise-02-plik.tex
@@ -3,7 +3,7 @@
 \usepackage{polski}
 \usepackage{amsmath}
 \newtheorem{thm}{Theorem}
-\newtheorem{df}{Defenition}
+\newtheorem{df}{defenition}
 \begin{document}
 
 \begin{enumerate}
@@ -24,14 +24,14 @@ f(x)=\sum_{\substack{n=0\\ k=2}}^\infty a_n^k
 \item Properly typeset the following theorem
 
 \begin{thm}[Cauchy--Hadamard]
-\noindent\textbf{Theorem 1} (Cauchy--Hadamard) \emph{The radius of convergence $R$ of the power series 
+ The radius of convergence $R$ of the power series 
 \[
 \sum_{n=0}^\infty a_n(z-z_0)^n\ \ \ \ \ |z-z_0|<R
 \]
 can by calculated via the following formula
 \[
 \frac{1}{R}=\limsup_{n\to\infty} \sqrt[n]{|a_n|}.
-\]}
+\]
 \end{thm}