diff --git a/01_gmail.rst b/01_gmail.rst
index 4cfdd11..6172706 100644
--- a/01_gmail.rst
+++ b/01_gmail.rst
@@ -54,6 +54,11 @@ Then fill out the **GMail Signup** form as follows:
 |**I agree to the Google . . .** | Check this box                     |
 +--------------------------------+------------------------------------+
 
+.. warning:: An account application with a birth year of 1999 or later will be 
+   rejected. Even worse, when using Google's Chrome browser, you will have to 
+   switch to a different browser such as Firefox to enter an application once a 
+   rejection occurs. 
+
 Click button :guilabel:`Next step` to complete the form. You will see your 
 profile page display. Again, click button :guilabel:`Next step` to continue. 
 A welcome page will display, showing that your new account is ready. 
diff --git a/03_heroku.rst b/03_heroku.rst
index 68d534f..e223760 100644
--- a/03_heroku.rst
+++ b/03_heroku.rst
@@ -13,7 +13,9 @@
 + Look for the message, "Confirm your account on Heroku"
 + Click the signup link to complete the Heroku signup
 
-.. image:: _images/03_heroku-2.png
+  .. note:: A sample email is displayed here:
+
+    .. image:: _images/03_heroku-2.png
 
 + The email link will take you to the Heroku Confirmation page
 + Enter your development password and confirm it
diff --git a/04_cloud9.rst b/04_cloud9.rst
index 9865f81..035573a 100644
--- a/04_cloud9.rst
+++ b/04_cloud9.rst
@@ -23,7 +23,9 @@ Sign up for free Cloud9 developer workspace.
 + In your Gmail, read :guilabel:`Welcome to Cloud9! Please activate your account!`
 + Click the link to activate your account
 
-  .. image:: _images/04_cloud9-4.png
+  .. note:: Here is a smaple confirmation email:
+
+    .. image:: _images/04_cloud9-4.png
 
 + In the resulting webpage, enter your developer password and confirm it
 
diff --git a/09_use-heroku.rst b/09_use-heroku.rst
index 218a569..9f6f254 100644
--- a/09_use-heroku.rst
+++ b/09_use-heroku.rst
@@ -8,6 +8,9 @@ Heroku provides a free web application deployment services, integrated with
 the Cloud9 development environment through Git and GitHub. Following is a 
 brief outline for configuring and deploying a project on Heroku.
 
+Create Heroku Server Instance
+=============================
+
 Add Heroku Server to Project
 =============================
 
@@ -15,6 +18,7 @@ Add Heroku Server to Project
 + In the Cloud9 Project, choose :menuselection:`View --> Console` from the menu
 + At the console command line, type::
   
+    c9pm install heroku
     git remote add heroku git@heroku.com:__heroku-server__.git
   
   where ``__heroku-server__`` is replaced with your heroku server name