diff --git a/exercises/concept/wizards-and-warriors-2/.meta/config.json b/exercises/concept/wizards-and-warriors-2/.meta/config.json
index ec5eca2b8..86632e575 100644
--- a/exercises/concept/wizards-and-warriors-2/.meta/config.json
+++ b/exercises/concept/wizards-and-warriors-2/.meta/config.json
@@ -8,7 +8,8 @@
   ],
   "files": {
     "solution": [
-      "src/main/java/GameMaster.java"
+      "src/main/java/GameMaster.java",
+      "src/main/java/TravelMethod.java"
     ],
     "test": [
       "src/test/java/GameMasterTest.java"
@@ -18,8 +19,7 @@
     ],
     "editor": [
       "src/main/java/Character.java",
-      "src/main/java/Destination.java",
-      "src/main/java/TravelMethod.java"
+      "src/main/java/Destination.java"
     ],
     "invalidator": [
       "build.gradle"
diff --git a/exercises/concept/wizards-and-warriors-2/src/main/java/Character.java b/exercises/concept/wizards-and-warriors-2/src/main/java/Character.java
index d7a4a4add..9278ba5ed 100644
--- a/exercises/concept/wizards-and-warriors-2/src/main/java/Character.java
+++ b/exercises/concept/wizards-and-warriors-2/src/main/java/Character.java
@@ -1,3 +1,8 @@
+/**
+ * Represents a Character in the game.
+ *
+ * NOTE: There is no need to change this file and is treated as read only by the Exercism test runners.
+ */
 public class Character {
     private String characterClass;
     private int level;
diff --git a/exercises/concept/wizards-and-warriors-2/src/main/java/Destination.java b/exercises/concept/wizards-and-warriors-2/src/main/java/Destination.java
index 09f2ce4e3..29d0d4fc1 100644
--- a/exercises/concept/wizards-and-warriors-2/src/main/java/Destination.java
+++ b/exercises/concept/wizards-and-warriors-2/src/main/java/Destination.java
@@ -1,3 +1,8 @@
+/**
+ * Represents a Destination.
+ *
+ * NOTE: There is no need to change this file and is treated as read only by the Exercism test runners.
+ */
 public class Destination {
     private String name;
     private int inhabitants;
diff --git a/exercises/practice/knapsack/.meta/src/reference/java/Item.java b/exercises/practice/knapsack/.meta/src/reference/java/Item.java
index cae28c411..29aa1f9f7 100644
--- a/exercises/practice/knapsack/.meta/src/reference/java/Item.java
+++ b/exercises/practice/knapsack/.meta/src/reference/java/Item.java
@@ -1,3 +1,8 @@
+/**
+ * Represents an item that can be placed in the knapsack.
+ *
+ * NOTE: There is no need to change this file and is treated as read only by the Exercism test runners.
+ */
 class Item {
 
     // Weight of the item