Bug fix : wrong printed values

src/main/java/fr/pasteur/ida/zellige/steps/selection/classification/ClassificationParameters.java

@@ -55,14 +55,12 @@ public class ClassificationParameters
     {
         if ( value < 0 )
         {
-            throw new DataValidationException( "The value of parameter " + name + " has to be superior to zero !" );
+            throw new DataValidationException( "The value of parameter " + name + " has to be superior or equal to zero !" );
         }
         if ( value > 255 )
         {
-            throw new DataValidationException( "The value of parameter " + name + " has to be inferior or equals to 50!" );
+            throw new DataValidationException( "The value of parameter " + name + " has to be inferior or equals to 255!" );
         }
-
-
     }