diff --git a/chapter11.tex b/chapter11.tex
index a859926..f568390 100644
--- a/chapter11.tex
+++ b/chapter11.tex
@@ -624,7 +624,7 @@ can be represented as follows:
 \end{tikzpicture}
 \end{center}
 
-If the graph is directed, the adjacency matrix
+If the graph is weighted, the adjacency matrix
 representation can be extended so that
 the matrix contains the weight of the edge
 if the edge exists.
@@ -759,4 +759,4 @@ v.push_back(make_tuple(2,4,6));
 v.push_back(make_tuple(3,4,5));
 v.push_back(make_tuple(4,1,2));
 \end{lstlisting}
-\end{samepage}
\ No newline at end of file
+\end{samepage}