diff --git a/check.bat b/check.bat
index 25446ee4..c250560b 100644
--- a/check.bat
+++ b/check.bat
@@ -1,2 +1,2 @@
 cp ..\..\OnJava-Tools\verify_output.py .
-py -3 verify_output.py
+python verify_output.py
diff --git a/objects/Documentation1.java b/javadoc/Documentation1.java
similarity index 90%
rename from objects/Documentation1.java
rename to javadoc/Documentation1.java
index 42d7bfb9..906df8dd 100644
--- a/objects/Documentation1.java
+++ b/javadoc/Documentation1.java
@@ -1,4 +1,4 @@
-// objects/Documentation1.java
+// javadoc/Documentation1.java
 // (c)2017 MindView LLC: see Copyright.txt
 // We make no guarantees that this code is fit for any purpose.
 // Visit http://OnJava8.com for more book information.
diff --git a/objects/Documentation2.java b/javadoc/Documentation2.java
similarity index 89%
rename from objects/Documentation2.java
rename to javadoc/Documentation2.java
index db857a29..a1959472 100644
--- a/objects/Documentation2.java
+++ b/javadoc/Documentation2.java
@@ -1,4 +1,4 @@
-// objects/Documentation2.java
+// javadoc/Documentation2.java
 // (c)2017 MindView LLC: see Copyright.txt
 // We make no guarantees that this code is fit for any purpose.
 // Visit http://OnJava8.com for more book information.
diff --git a/objects/Documentation3.java b/javadoc/Documentation3.java
similarity index 90%
rename from objects/Documentation3.java
rename to javadoc/Documentation3.java
index 582b8346..34f62ac3 100644
--- a/objects/Documentation3.java
+++ b/javadoc/Documentation3.java
@@ -1,4 +1,4 @@
-// objects/Documentation3.java
+// javadoc/Documentation3.java
 // (c)2017 MindView LLC: see Copyright.txt
 // We make no guarantees that this code is fit for any purpose.
 // Visit http://OnJava8.com for more book information.
diff --git a/objects/HelloDateDoc.java b/javadoc/HelloDateDoc.java
similarity index 95%
rename from objects/HelloDateDoc.java
rename to javadoc/HelloDateDoc.java
index 93f326dd..8aef609b 100644
--- a/objects/HelloDateDoc.java
+++ b/javadoc/HelloDateDoc.java
@@ -1,4 +1,4 @@
-// objects/HelloDateDoc.java
+// javadoc/HelloDateDoc.java
 // (c)2017 MindView LLC: see Copyright.txt
 // We make no guarantees that this code is fit for any purpose.
 // Visit http://OnJava8.com for more book information.
diff --git a/onjava/HTMLColors.java b/onjava/HTMLColors.java
index c595e8b4..f960d23a 100644
--- a/onjava/HTMLColors.java
+++ b/onjava/HTMLColors.java
@@ -189,7 +189,7 @@ public class HTMLColors {
   public static
   void show(Map.Entry<Integer,String> e) {
     System.out.format(
-      "0x%06X: %s\n", e.getKey(), e.getValue());
+      "0x%06X: %s%n", e.getKey(), e.getValue());
   }
   public static void
   show(Map<Integer,String> m, int count) {