diff --git a/src/main/java/fr/pasteur/ida/zellige/steps/selection/classification/ClassificationParameters.java b/src/main/java/fr/pasteur/ida/zellige/steps/selection/classification/ClassificationParameters.java
index b724f447e4d8a3caebfb6ef9494546c27c094b31..2e4e63cd1c4b815b6cb61e7b4e25b0fc93eb6b4b 100644
--- a/src/main/java/fr/pasteur/ida/zellige/steps/selection/classification/ClassificationParameters.java
+++ b/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!" );
         }
-
-
     }