diff -r b632733724a8 -r 2eae47c2bfc3 samples/contravariance/src-api1.0/api/Contravariance.java
--- a/samples/contravariance/src-api1.0/api/Contravariance.java	Tue Oct 18 06:55:12 2011 +0200
+++ b/samples/contravariance/src-api1.0/api/Contravariance.java	Wed Aug 08 22:06:45 2012 +0200
@@ -5,8 +5,8 @@
     }
 
     // BEGIN: variance.contravariance.v1
-    public static boolean isPositive(Integer n1) {
-        return n1 > 0;
+    public static boolean isPositive(Integer aNumber) {
+        return aNumber > 0;
     }
     // END: variance.contravariance.v1
 }