diff --git a/dsf-gdb/org.eclipse.cdt.dsf.gdb/src/org/eclipse/cdt/dsf/mi/service/command/output/MIExecAsyncOutput.java b/dsf-gdb/org.eclipse.cdt.dsf.gdb/src/org/eclipse/cdt/dsf/mi/service/command/output/MIExecAsyncOutput.java
index 4d85143bdc2..006a692d7a8 100644
--- a/dsf-gdb/org.eclipse.cdt.dsf.gdb/src/org/eclipse/cdt/dsf/mi/service/command/output/MIExecAsyncOutput.java
+++ b/dsf-gdb/org.eclipse.cdt.dsf.gdb/src/org/eclipse/cdt/dsf/mi/service/command/output/MIExecAsyncOutput.java
@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2000, 2007 QNX Software Systems and others.
+ * Copyright (c) 2000, 2010 QNX Software Systems and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
@@ -13,6 +13,12 @@
 package org.eclipse.cdt.dsf.mi.service.command.output;
 
 /**
+ * Represents an asynchronous OOB record from gdb that notifies the client of
+ * state changes on the target (stopped, started, etc).
+ * 
+ * <p>
+ * All such records are prefixed by *.
+ * 
  * @see MIAsyncRecord
  */
 public class MIExecAsyncOutput extends MIAsyncRecord {
diff --git a/dsf-gdb/org.eclipse.cdt.dsf.gdb/src/org/eclipse/cdt/dsf/mi/service/command/output/MINotifyAsyncOutput.java b/dsf-gdb/org.eclipse.cdt.dsf.gdb/src/org/eclipse/cdt/dsf/mi/service/command/output/MINotifyAsyncOutput.java
index 895da8b4811..1f33c5c00c9 100644
--- a/dsf-gdb/org.eclipse.cdt.dsf.gdb/src/org/eclipse/cdt/dsf/mi/service/command/output/MINotifyAsyncOutput.java
+++ b/dsf-gdb/org.eclipse.cdt.dsf.gdb/src/org/eclipse/cdt/dsf/mi/service/command/output/MINotifyAsyncOutput.java
@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2000, 2007 QNX Software Systems and others.
+ * Copyright (c) 2000, 2010 QNX Software Systems and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
@@ -12,8 +12,14 @@
 
 package org.eclipse.cdt.dsf.mi.service.command.output;
 
-
 /**
+ * Represents an asynchronous OOB record from gdb that provides supplementary,
+ * important information that is likely of interest to the client, e.g.,
+ * notification that a new breakpoint has been created.
+ * 
+ * <p>
+ * All such output is prefixed by `='.
+ * 
  * @see MIAsyncRecord
  */
 public class MINotifyAsyncOutput extends MIAsyncRecord {
diff --git a/dsf-gdb/org.eclipse.cdt.dsf.gdb/src/org/eclipse/cdt/dsf/mi/service/command/output/MIStatusAsyncOutput.java b/dsf-gdb/org.eclipse.cdt.dsf.gdb/src/org/eclipse/cdt/dsf/mi/service/command/output/MIStatusAsyncOutput.java
index 83dfa5d1218..3868c8ec8b5 100644
--- a/dsf-gdb/org.eclipse.cdt.dsf.gdb/src/org/eclipse/cdt/dsf/mi/service/command/output/MIStatusAsyncOutput.java
+++ b/dsf-gdb/org.eclipse.cdt.dsf.gdb/src/org/eclipse/cdt/dsf/mi/service/command/output/MIStatusAsyncOutput.java
@@ -1,5 +1,5 @@
 /*******************************************************************************
- * Copyright (c) 2000, 2007 QNX Software Systems and others.
+ * Copyright (c) 2000, 2010 QNX Software Systems and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
@@ -12,8 +12,13 @@
 
 package org.eclipse.cdt.dsf.mi.service.command.output;
 
-
 /**
+ * Represents an asynchronous OOB record from gdb that provides status on an
+ * ongoing time consuming operation.
+ * 
+ * <p>
+ * All such output is prefixed by `+'.
+ * 
  * @see MIAsyncRecord
  */
 public class MIStatusAsyncOutput extends MIAsyncRecord {