--- a/doc/Host-tools-overview	Wed Nov 22 05:03:15 2017 +0000
+++ b/doc/Host-tools-overview	Wed Nov 22 05:20:57 2017 +0000
@@ -157,7 +157,14 @@
 		decoded target responses; it works through rvinterf.  fc-tmsh
 		supports all Test Mode commands (both TM3 and ETM) implemented
 		in our target firmwares except FFS access; use fc-fsio for the
-		latter.
+		latter.  fc-tmsh is fully asynchronous in that the issuance of
+		commands to the target and the handling of target responses are
+		fully decoupled.
+
+fc-tmsync	This program reimplements a small subset of fc-tmsh commands in
+		a synchronous manner; it was written together with fc-readcal
+		for the same purpose of extracting "in vivo" data from alien
+		firmwares.
 
 fc-vm2hex	This utility converts the old-fashioned (non-AMR) voice memo
 		files read out of FFS into hex strings that can be analyzed by