diff --git a/docs/labs/w08_dashboards.html b/docs/labs/w08_dashboards.html
index a126f56..63a5a32 100644
--- a/docs/labs/w08_dashboards.html
+++ b/docs/labs/w08_dashboards.html
@@ -2040,7 +2040,7 @@
df = df.dropna(subset=['latitude', 'longitude'])
# Widget to select a country
countries = sorted(df['country_txt'].unique().tolist())
-country_selector = pn.widgets.Select(name='Country', options=csountries)
+country_selector = pn.widgets.Select(name='Country', options=countries)
diff --git a/index.tex b/index.tex
index a58846e..fe06681 100644
--- a/index.tex
+++ b/index.tex
@@ -196,7 +196,7 @@
\begin{document}
\maketitle
-\ifdefined\Shaded\renewenvironment{Shaded}{\begin{tcolorbox}[breakable, enhanced, interior hidden, borderline west={3pt}{0pt}{shadecolor}, boxrule=0pt, sharp corners, frame hidden]}{\end{tcolorbox}}\fi
+\ifdefined\Shaded\renewenvironment{Shaded}{\begin{tcolorbox}[frame hidden, enhanced, breakable, sharp corners, boxrule=0pt, interior hidden, borderline west={3pt}{0pt}{shadecolor}]}{\end{tcolorbox}}\fi
\renewcommand*\contentsname{Table of contents}
{
@@ -13466,7 +13466,7 @@ \subsection{Subsetting the Dataframe on the basis of categorical
\NormalTok{df }\OperatorTok{=}\NormalTok{ df.dropna(subset}\OperatorTok{=}\NormalTok{[}\StringTok{\textquotesingle{}latitude\textquotesingle{}}\NormalTok{, }\StringTok{\textquotesingle{}longitude\textquotesingle{}}\NormalTok{])}
\CommentTok{\# Widget to select a country}
\NormalTok{countries }\OperatorTok{=} \BuiltInTok{sorted}\NormalTok{(df[}\StringTok{\textquotesingle{}country\_txt\textquotesingle{}}\NormalTok{].unique().tolist())}
-\NormalTok{country\_selector }\OperatorTok{=}\NormalTok{ pn.widgets.Select(name}\OperatorTok{=}\StringTok{\textquotesingle{}Country\textquotesingle{}}\NormalTok{, options}\OperatorTok{=}\NormalTok{csountries)}
+\NormalTok{country\_selector }\OperatorTok{=}\NormalTok{ pn.widgets.Select(name}\OperatorTok{=}\StringTok{\textquotesingle{}Country\textquotesingle{}}\NormalTok{, options}\OperatorTok{=}\NormalTok{countries)}
\end{Highlighting}
\end{Shaded}