(doc) add TimeBasedTriggeringPolicy, modulate default value to doc (#527)
diff --git a/src/site/asciidoc/manual/appenders.adoc b/src/site/asciidoc/manual/appenders.adoc
index 5fc0bf3..4c4fd5b 100644
--- a/src/site/asciidoc/manual/appenders.adoc
+++ b/src/site/asciidoc/manual/appenders.adoc
@@ -2765,7 +2765,7 @@
cause the next rollover to occur on the interval boundary. For example,
if the item is hours, the current hour is 3 am and the interval is 4
then the first rollover will occur at 4 am and then next ones will occur
-at 8 am, noon, 4pm, etc.
+at 8 am, noon, 4pm, etc. The default value is false.
|maxRandomDelay |integer |Indicates the maximum number of seconds to
randomly delay a rollover. By default, this is 0 which indicates no
