--- imach/src/README.txt	2015/09/02 12:30:50	1.4
+++ imach/src/README.txt	2018/02/21 07:58:13	1.5
@@ -1,3 +1,10 @@
+TEST Version IMaCh 0.99
+Parameter files have new undocumented parameters.
+Look at the archives of imach-users@listes.ined.fr for information.
+
+Current documentation on the web site is for 0.98 (before the
+introduction of varying covariates).
+
 Interpolated Marlov Chain (IMaCh program)
 
 This program will be licensed under the GNU GNU GENERAL PUBLIC LICENSE.
@@ -47,7 +54,7 @@ asked to enter a character and the termi
   open: either type in the name and path of your parameter file or
   drag it from the finder.
 
-The output of you run is a lot of text files which are grouped into a
+The output of your run is a lot of text files which are grouped into a
 sub-directory having the name of your parameter file as well as an
 other text file foo.gp which is a gnuplot file. This gnuplot is run by
 imach and creates a lot of graphs from the various results text files.