1 files changed, 4 insertions, 0 deletions

diff --git a/doc/snac.8 b/doc/snac.8
index dfb655f..54b17df 100644
--- a/doc/snac.8
+++ b/doc/snac.8
@@ -120,6 +120,10 @@ already done.
 This is the maximum timeline entries shown in the web interface.
 .It Ic timeline_purge_days
 Entries in the timeline older that this number of days are purged.
+If you don't want any timeline purging and enjoy your data drives
+fill up with old crap and finally burst in flames, you can disable
+purging by setting this to 0 (this only applies to the private timeline,
+the local timeline is never touched).
 .It Ic css_urls
 This is a list of URLs to CSS files that will be inserted, in this order,
 in the HTML before the user CSS. Use these files to configure the global