diff --git a/apps/app_chanspy.c b/apps/app_chanspy.c
index bf6d33024d..d8a82e3488 100644
--- a/apps/app_chanspy.c
+++ b/apps/app_chanspy.c
@@ -158,7 +158,9 @@ ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
 					</option>
 					<option name="x">
 						<argument name="digit" required="true">
-							<para>Specify a DTMF digit that can be used to exit the application.</para>
+							<para>Specify a DTMF digit that can be used to exit the application while actively
+							spying on a channel. If there is no channel being spied on, the DTMF digit will be
+							ignored.</para>
 						</argument>
 					</option>
 					<option name="X">
@@ -295,7 +297,9 @@ ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
 					</option>
 					<option name="x">
 						<argument name="digit" required="true">
-							<para>Specify a DTMF digit that can be used to exit the application.</para>
+							<para>Specify a DTMF digit that can be used to exit the application while actively
+							spying on a channel. If there is no channel being spied on, the DTMF digit will be
+							ignored.</para>
 						</argument>
 					</option>
 					<option name="X">