diff --git a/apps/app_reload.c b/apps/app_reload.c
index 16bcd63844..88f234d363 100644
--- a/apps/app_reload.c
+++ b/apps/app_reload.c
@@ -39,6 +39,11 @@
 
 /*** DOCUMENTATION
 	<application name="Reload" language="en_US">
+		<since>
+			<version>16.20.0</version>
+			<version>18.6.0</version>
+			<version>19.0.0</version>
+		</since>
 		<synopsis>
 			Reloads an Asterisk module, blocking the channel until the reload has completed.
 		</synopsis>
diff --git a/doc/appdocsxml.dtd b/doc/appdocsxml.dtd
index c311e8df5b..fbcad6ddfe 100644
--- a/doc/appdocsxml.dtd
+++ b/doc/appdocsxml.dtd
@@ -33,22 +33,22 @@
 
   <!ELEMENT removed_in (#PCDATA)>
 
-  <!ELEMENT application (synopsis?,syntax?,description?,see-also?)>
+  <!ELEMENT application (since?,synopsis?,syntax?,description?,see-also?)>
   <!ATTLIST application name CDATA #REQUIRED>
   <!ATTLIST application language CDATA #REQUIRED>
   <!ATTLIST application module CDATA #IMPLIED>
 
-  <!ELEMENT function (synopsis?,syntax?,description?,see-also?)>
+  <!ELEMENT function (since?,synopsis?,syntax?,description?,see-also?)>
   <!ATTLIST function name CDATA #REQUIRED>
   <!ATTLIST function language CDATA #REQUIRED>
   <!ATTLIST function module CDATA #IMPLIED>
 
-  <!ELEMENT agi (synopsis?,syntax?,description?,see-also?)>
+  <!ELEMENT agi (since?,synopsis?,syntax?,description?,see-also?)>
   <!ATTLIST agi name CDATA #REQUIRED>
   <!ATTLIST agi language CDATA #REQUIRED>
   <!ATTLIST agi module CDATA #IMPLIED>
 
-  <!ELEMENT manager (synopsis?,syntax?,description?,see-also?,responses?)>
+  <!ELEMENT manager (since?,synopsis?,syntax?,description?,see-also?,responses?)>
   <!ATTLIST manager name CDATA #REQUIRED>
   <!ATTLIST manager language CDATA #REQUIRED>
   <!ATTLIST manager module CDATA #IMPLIED>
@@ -62,7 +62,7 @@
   <!ATTLIST managerEvent language CDATA #REQUIRED>
   <!ATTLIST managerEvent module CDATA #IMPLIED>
 
-  <!ELEMENT managerEventInstance (synopsis?,syntax?,description?,see-also?)*>
+  <!ELEMENT managerEventInstance (since?,synopsis?,syntax?,description?,see-also?)*>
   <!ATTLIST managerEventInstance class CDATA #REQUIRED>
 
   <!ELEMENT configInfo (synopsis?,description?,configFile+)>
@@ -102,6 +102,10 @@
   <!ATTLIST ref type (application|function|astcli|link|manpage|filename|agi|manager|managerEvent|configOption) #REQUIRED>
   <!ATTLIST ref module CDATA #IMPLIED>
 
+  <!ELEMENT since (version+)>
+
+  <!ELEMENT version (#PCDATA)>
+
   <!ELEMENT synopsis (#PCDATA)>
 
   <!ELEMENT syntax (parameter|dataType|category|matchInfo|xi:include|channel_snapshot|bridge_snapshot)*>