diff --git a/be-graphes-algos/src/main/java/org/insa/graphs/algorithm/ArcInspector.java b/be-graphes-algos/src/main/java/org/insa/graphs/algorithm/ArcInspector.java
index b37571c..8cdbb4c 100644
--- a/be-graphes-algos/src/main/java/org/insa/graphs/algorithm/ArcInspector.java
+++ b/be-graphes-algos/src/main/java/org/insa/graphs/algorithm/ArcInspector.java
@@ -27,7 +27,7 @@ public interface ArcInspector {
     public double getCost(Arc arc);
 
     /**
-     * @return The maximum speed for this inspector, or
+     * @return The maximum speed for this inspector in km/h, or
      *         {@link GraphStatistics#NO_MAXIMUM_SPEED} if none is set.
      */
     public int getMaximumSpeed();