diff --git a/HISTORY b/HISTORY
index 70bf0062e7..0cafbab171 100644
--- a/HISTORY
+++ b/HISTORY
@@ -20,7 +20,6 @@ Changes
  Fix pgaccess kanji-coversion key binding (Tatsuo)
  Optimizer improvements (Tom)
  cash I/O improvements (Tom)
- contrib/btree_gist improvements (Teodor Sigaev)
  New Russian FAQ
  Compile fix for missing AuthBlockSig (Heiko)
  Additional time zones and time zone fixes (Thomas)
@@ -29,7 +28,9 @@ Changes
  Allow COPY FROM to use 8-bit DELIMITERS (Tatsuo)
  Fix bug in extract/date_part for milliseconds/microseconds (Tatsuo)
  Improve handling of multiple UNIONs with different lengths (Tom)
- contrib/tsearch dictionary improvements (Thomas T. Thai, Teodor Sigaev)
+ contrib/btree_gist improvements (Teodor Sigaev)
+ contrib/tsearch dictionary improvements, see README.tsearch for
+   an additional installation step (Thomas T. Thai, Teodor Sigaev)
  Fix for array subscripts handling (Tom)
      
 
diff --git a/contrib/tsearch/README.tsearch b/contrib/tsearch/README.tsearch
index c63ae91edd..36ab97face 100644
--- a/contrib/tsearch/README.tsearch
+++ b/contrib/tsearch/README.tsearch
@@ -4,6 +4,15 @@ a searchable data type (textual) with indexed access.
 All work was done by Teodor Sigaev (teodor@stack.net) and Oleg Bartunov
 (oleg@sai.msu.su).
 
+CHANGES:
+  
+  To upgrade from 7.2 to 7.2.1 one needs to perform following sql
+  (after compiling and installing contrib/tsearch):
+
+  update pg_amop set amopreqcheck = true where amopclaid =
+     (select oid from pg_opclass where opcname = 'gist_txtidx_ops');
+
+
 IMPORTANT NOTICE:
 
 This is a first step of our work on integration of OpenFTS