diff --git a/demo/demo.tex b/demo/demo.tex
index e7cbcbc..ae60219 100644
--- a/demo/demo.tex
+++ b/demo/demo.tex
@@ -185,7 +185,7 @@ or show \textbf{bold} results.\end{verbatim}
 \begin{frame}{Tables}
   \begin{table}
     \caption{Largest cities in the world (source: Wikipedia)}
-    \begin{tabular}{lr}
+    \begin{tabular}{@{} lr @{}}
       \toprule
       City & Population\\
       \midrule