2 files changed, 11 insertions, 8 deletions
diff --git a/core/java/android/print/PrintDocumentAdapter.java b/core/java/android/print/PrintDocumentAdapter.java
index 33b4aad..8a59b6b 100644
--- a/core/java/android/print/PrintDocumentAdapter.java
+++ b/core/java/android/print/PrintDocumentAdapter.java
@@ -55,7 +55,7 @@ import java.util.List;
  * The APIs defined in this class are designed to enable doing part or all
  * of the work on an arbitrary thread. For example, if the printed content
  * does not depend on the UI state, i.e. on what is shown on the screen, then
- * you can off load the entire work on a dedicated thread, thus making your
+ * you can offload the entire work on a dedicated thread, thus making your
  * application interactive while the print work is being performed.
  * </p>
  * <p>
@@ -99,6 +99,7 @@ public abstract class PrintDocumentAdapter {
      * the last argument <code>true</code> or <code>false</code> depending on
      * whether the layout changed the content or not, respectively; and {@link
      * LayoutResultCallback#onLayoutFailed(CharSequence)}, if an error occurred.
+     * Note that you must call one of the methods of the given callback.
      * </p>
      * <p>
      * When doing a layout you may satisfy some of the constraints in the print
@@ -147,13 +148,14 @@ public abstract class PrintDocumentAdapter {
 
     /**
      * Called when specific pages of the content should be written in the
-     * from of a PDF file to the given file descriptor. This method is invoked
+     * form of a PDF file to the given file descriptor. This method is invoked
      * on the main thread.
      *<p>
      * After you are done writing, you should close the file descriptor and
-     * invoke {@link WriteResultCallback #onWriteFinished(List)}, if writing
+     * invoke {@link WriteResultCallback #onWriteFinished(PageRange[]), if writing
      * completed successfully; or {@link WriteResultCallback#onWriteFailed(
-     * CharSequence)}, if an error occurred.
+     * CharSequence)}, if an error occurred. Note that you must call one of
+     * the methods of the given callback.
      * </p>
      * <p>
      * <strong>Note:</strong> If the printed content is large, it is a good
diff --git a/core/java/android/print/PrintFileDocumentAdapter.java b/core/java/android/print/PrintFileDocumentAdapter.java
index b905396..c3a23a5 100644
--- a/core/java/android/print/PrintFileDocumentAdapter.java
+++ b/core/java/android/print/PrintFileDocumentAdapter.java
@@ -36,10 +36,11 @@ import java.io.InputStream;
 import java.io.OutputStream;
 
 /**
- * Adapter for printing files. This class could be useful if you
+ * Adapter for printing PDF files. This class could be useful if you
  * want to print a file and intercept when the system is ready
- * spooling the data, so you can deleted the file if it is a
- * temporary one.
+ * spooling the data, so you can delete the file if it is a
+ * temporary one. To achieve this one must override {@link #onFinish()}
+ * and delete the file yourself.
  */
 public class PrintFileDocumentAdapter extends PrintDocumentAdapter {
 
@@ -57,7 +58,7 @@ public class PrintFileDocumentAdapter extends PrintDocumentAdapter {
      * Constructor.
      *
      * @param context Context for accessing resources.
-     * @param file The file to print.
+     * @param file The PDF file to print.
      * @param documentInfo The information about the printed file.
      */
     public PrintFileDocumentAdapter(Context context, File file,