diff --git a/src/eva2/server/go/operators/crossover/CrossoverGADefault.java b/src/eva2/server/go/operators/crossover/CrossoverGADefault.java
index 3f2ba65d..8bcf82ac 100644
--- a/src/eva2/server/go/operators/crossover/CrossoverGADefault.java
+++ b/src/eva2/server/go/operators/crossover/CrossoverGADefault.java
@@ -10,6 +10,8 @@ import eva2.server.go.problems.InterfaceOptimizationProblem;
 import wsi.ra.math.RNG;
 
 /**
+ * This operator performs one-point crossover.
+ *
  * Created by IntelliJ IDEA. User: streiche Date: 03.04.2003 Time: 10:34:17 To
  * change this template use Options | File Templates.
  */
@@ -89,7 +91,7 @@ public class CrossoverGADefault implements InterfaceCrossover,
 	}
 
 	/**
-	 * This method allows you to evaluate wether two crossover operators are
+	 * This method allows you to evaluate weather two crossover operators are
 	 * actually the same.
 	 *
 	 * @param crossover
diff --git a/src/eva2/server/go/operators/mutation/MutateGADefault.java b/src/eva2/server/go/operators/mutation/MutateGADefault.java
index 40d18303..e5b6fab3 100644
--- a/src/eva2/server/go/operators/mutation/MutateGADefault.java
+++ b/src/eva2/server/go/operators/mutation/MutateGADefault.java
@@ -7,7 +7,9 @@ import eva2.server.go.problems.InterfaceOptimizationProblem;
 
 
 /**
+ * This operator performs one-point mutation.
  * Created by IntelliJ IDEA.
+ *
  * User: streiche
  * Date: 18.03.2003
  * Time: 12:36:08
@@ -21,7 +23,7 @@ public class MutateGADefault implements InterfaceMutation, java.io.Serializable
     public Object clone() {
         return new MutateGADefault();
     }
-    
+
     /** This method allows you to evaluate wether two mutation operators
      * are actually the same.
      * @param mutator   The other mutation operator