diff --git a/chapter20.tex b/chapter20.tex
index 6a143f1..db4cebc 100644
--- a/chapter20.tex
+++ b/chapter20.tex
@@ -446,7 +446,7 @@ \subsubsection{Finding paths}
 search to find paths where each edge weight is
 at least a threshold value.
 Initially, the threshold value is
-some large number, for example the sum of all
+some large number, for example the maximum of all
 edge weights of the graph.
 Always when a path cannot be found,
 the threshold value is divided by 2.