diff --git a/src/engine/gameManager/ConfigManager.java b/src/engine/gameManager/ConfigManager.java
index a3a7a258..25284548 100644
--- a/src/engine/gameManager/ConfigManager.java
+++ b/src/engine/gameManager/ConfigManager.java
@@ -8,9 +8,10 @@
 
 package engine.gameManager;
 
-/* This enumeration implements Magicbane's configuration data which
-   is loaded from environment variables.
- */
+// Magicbane configuration is loaded from environment variables
+//
+// On boot the game first looks in mb.conf for the file magicbane.conf.
+// If not found, a default is loaded from /mb.data to enable bootstrap.
 
 import engine.mbEnums;
 import engine.server.login.LoginServer;
@@ -105,11 +106,11 @@ public enum ConfigManager {
     // and determine the server type at runtime.
 
     public static final String DEFAULT_DATA_DIR = "mb.data/";
-    public static Map<String, String> configMap = new HashMap(System.getenv());
+    public static final Map<String, String> configMap = new HashMap(System.getenv());
     public static mbEnums.ServerType serverType = mbEnums.ServerType.NONE;
     public static WorldServer worldServer;
     public static LoginServer loginServer;
-    public static Map<ConfigManager, Pattern> regex = new HashMap<>();
+    public static final Map<ConfigManager, Pattern> regex = new HashMap<>();
 
     public static String currentRepoBranch = "";
 
@@ -124,7 +125,7 @@ public enum ConfigManager {
                 Logger.info(configSetting.name() + ":" + configSetting.getValue());
             else {
                 Logger.error("Missing Config: " + configSetting.name());
-                Logger.error("This codebase requires >= MagicBox v1.5.1");
+                Logger.error("This codebase requires >= MagicBox v1.5.2");
                 Logger.error("docker pull magicbane/magicbox:latest");
                 return false;
             }