diff --git a/apps/app_dial.c b/apps/app_dial.c
index 94f623c733..ca3c45a22f 100644
--- a/apps/app_dial.c
+++ b/apps/app_dial.c
@@ -248,6 +248,9 @@ ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
with this option. Also, pbx services are not run on the peer (called) channel,
so you will not be able to set timeouts via the TIMEOUT() function in this macro.
+ Be aware of the limitations that macros have, specifically with regards to use of
+ the WaitExten application. For more information, see the documentation for
+ Macro()