Corrected a javadoc message.

Change-Id: I06dda39b91eda900b0db48e2b3d8665b2cad15e5
diff --git a/utils/misc/src/main/java/org/onlab/graph/AbstractGraphPathSearch.java b/utils/misc/src/main/java/org/onlab/graph/AbstractGraphPathSearch.java
index 0d6e508..6541ad3 100644
--- a/utils/misc/src/main/java/org/onlab/graph/AbstractGraphPathSearch.java
+++ b/utils/misc/src/main/java/org/onlab/graph/AbstractGraphPathSearch.java
@@ -37,7 +37,7 @@
 
     /**
      * Sets a new sameness threshold for comparing cost values; default is
-     * is {@code 0.000000001}.
+     * is {@link Double#MIN_VALUE}.
      *
      * @param threshold fractional double value
      */