diff --git a/doc/loggingAndErrorReporting.md b/doc/loggingAndErrorReporting.md
index 9c86398..027f21f 100644
--- a/doc/loggingAndErrorReporting.md
+++ b/doc/loggingAndErrorReporting.md
@@ -67,8 +67,6 @@ Works in a combination of rotate size mode and rotate time mode, if the log file
   <sizeThreshold>10240</sizeThreshold>
   <pattern>yyyyMMdd</pattern>
   <autoRollAtTime>00:00:00</autoRollAtTime>
-  <zipOlderThanNumDays>5</zipOlderThanNumDays>
-  <zipDateFormat>yyyyMM</zipDateFormat>
 </log>
 ```
 
@@ -78,6 +76,19 @@ For example, in the above example, the log of Jan 1, 2013 gets written to `myapp
 The syntax of the autoRollAtTime is specified by [TimeSpan.ToString(String)](https://docs.microsoft.com/dotnet/api/system.timespan.tostring#System_TimeSpan_ToString_System_String_).
 For example, in the above example, at the start of the day it will roll the file over.
 
+### Automatic archiving of logs
+
+:warning: This feature is reported to be broken in recent WinSW versions.
+It is a potential subject for removal.
+
+
+```xml
+<log mode="roll-by-size-time">
+  <zipOlderThanNumDays>5</zipOlderThanNumDays>
+  <zipDateFormat>yyyyMM</zipDateFormat>
+</log>
+```
+
 The `zipOlderThanNumDays` can only be used in conjection with autoRollAtTime, provide the number of days of files to keep.
 
 ```xml