--- a/preface.roff	Mon Jul 16 01:47:12 2012 +0200
+++ b/preface.roff	Mon Jul 16 08:26:17 2012 +0200
@@ -291,10 +291,10 @@
 The reader will surely recognize the sentences I have never showed to you.
 
 .IP "Dominik Lang
-You were mmh's first user.
+You were mmh's first user and you were convinced of it at once.
 That was great!
 Thanks for your feedback and suggestions regarding mmh,
-as well as for your improvements of this document.
+as well as for improving this document.
 
 .IP "Michael M\[udieresis]ller
 Thanks for your corrections, comments,
@@ -325,14 +325,14 @@
 
 .sp
 .P
-Yet, none of the aforementioned people is connected to my work
-in the same way Lydi is.
-All those days in Argentina when I was working long hours and
+Yet, no one of the aforementioned persons is connected to my work
+as close as Lydi is. \(em
+All those days, already in Argentina, when I was working long hours and
 even on holidays instead of spending time with you.
 All the explanations of always the same doubts and difficulties
 I suffered from, and you just listened.
 All the delays near the end of my work though you have wished for
-an earlier finish. \(em
+an earlier finish.
 In spite of it all, you knew what it meant to me.
 .P
 Danke f\[udieresis]r dein Verst\[adieresis]ndnis.