diff --git a/ChangeLog b/ChangeLog
index ee07acc7..526a886a 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -209,6 +209,13 @@ Changelog for series 0.1a:
 	Based on 0.1balpha4. Merge 0.1stable.
 	Receive mainly fixes.
 
+mars0.1abeta9
+	* Major feature: lowlevel TCP tuning, separately for traffic
+	  types MARS_TRAFFIC_META (default port 7777),
+	  and MARS_TRAFFIC_REPLICATION (default port 7778),
+	  and MARS_TRAFFIC_SYNC (default port 7779).
+	* Merge mars0.1stable57.
+
 mars0.1abeta8
 	* Merge mars0.1stable56.
 
diff --git a/docu/mars-manual.pdf b/docu/mars-manual.pdf
index 98b9d5c2..a141f694 100644
Binary files a/docu/mars-manual.pdf and b/docu/mars-manual.pdf differ