diff --git a/en-US/D.xml b/en-US/D.xml
index 100ef12..a9f062e 100644
--- a/en-US/D.xml
+++ b/en-US/D.xml
@@ -189,7 +189,13 @@
 			<term>dialog box</term>
 			 <listitem>
 				<para>
-					Refer to the Word Usage chapter of the <citetitle>IBM Style Guide</citetitle> for usage information related to this and similar terms.
+					<emphasis>n.</emphasis> Use "dialog box" (<emphasis>not</emphasis> "dialog", "dialogue", "dialogue box", or "window"), to refer to an element that is displayed for a user to interact with a graphical user interface.
+				</para>					
+				<para>
+					Use this term regardless of whether a dialog box is <emphasis>modal</emphasis>, where the user must respond to a prompt before the main content of the interface is enabled again, or is <emphasis>non-modal</emphasis>, where the user can continue interacting with the main content when the dialog box is open.
+				</para>
+				<para>
+					For example: "In the <guilabel>Subscriptions</guilabel> window, click <guilabel>Register</guilabel> to open the <guilabel>Register System</guilabel> dialog box."
 				</para>
 
 			</listitem>
diff --git a/en-US/P.xml b/en-US/P.xml
index 5a0c92b..82379cd 100644
--- a/en-US/P.xml
+++ b/en-US/P.xml
@@ -139,7 +139,7 @@
 			<term>pop-up</term>
 			 <listitem>
 				<para>
-					<emphasis>n, adj.</emphasis> Do not use "popup" or "pop up".
+					<emphasis>n, adj.</emphasis> Use only if you must specify the type of menu, list, or window. Do not use "popup" or "pop up".
 				</para>
 
 			</listitem>