diff --git a/source/preface.tex b/source/preface.tex
index ecc5efc7a7..3682ec1035 100644
--- a/source/preface.tex
+++ b/source/preface.tex
@@ -12,7 +12,7 @@ \chapter{Foreword}
 
 The procedures used to develop this document and those intended for its further
 maintenance are described in the ISO/IEC Directives, Part 1. In particular the
-different approval criteria needed for the different types of documents should
+different approval criteria needed for the different types of document should
 be noted. This document was drafted in accordance with the editorial rules of
 the ISO/IEC Directives, Part 2
 (see \href{http://www.iso.org/directives}{\tcode{www.iso.org/directives}}).
@@ -34,7 +34,7 @@ \chapter{Foreword}
 the meaning of ISO specific terms and expressions related
 to conformity assessment, as well as information about ISO's adherence
 to the World Trade Organization (WTO) principles
-in the Technical Barriers to Trade (TBT) see the following URL:
+in the Technical Barriers to Trade (TBT), see
 \href{http://www.iso.org/iso/foreword.html}{\tcode{www.iso.org/iso/foreword.html}}.
 
 This document was prepared by
@@ -43,19 +43,18 @@ \chapter{Foreword}
 
 This sixth edition cancels and replaces the fifth edition
 (ISO/IEC 14882:2017), which has been technically revised.
-It also incorporates the Technical Specifications
-\begin{itemize}
-\item ISO/IEC TS 19217:2015 \textit{Programming Languages --- \Cpp{} Extensions for concepts},
-\item ISO/IEC TS 21425:2017 \textit{Programming Languages --- \Cpp{} Extensions for ranges},
-\item ISO/IEC TS 22277:2017 \textit{Programming Languages --- \Cpp{} Extensions for Coroutines},
-\item ISO/IEC TS 21544:2018 \textit{Programming Languages --- Extensions to \Cpp{} for Modules},
-\item portions of ISO/IEC TS 19571:2016 \textit{Programming Languages --- Technical specification for \Cpp{} extensions for concurrency}, and % latch and barrier
-\item portions of ISO/IEC TS 19568:2017 \textit{Programming Languages --- \Cpp{} Extensions for Library Fundamentals}.
-\end{itemize}
 
 The main changes compared to the previous edition are as follows:
 
 \begin{itemize}
+% technical specifications
+\item incorporate ISO/IEC TS 19217:2015 \textit{Programming Languages --- \Cpp{} Extensions for concepts},
+\item incorporate ISO/IEC TS 21425:2017 \textit{Programming Languages --- \Cpp{} Extensions for ranges},
+\item incorporate ISO/IEC TS 22277:2017 \textit{Programming Languages --- \Cpp{} Extensions for Coroutines},
+\item incorporate ISO/IEC TS 21544:2018 \textit{Programming Languages --- Extensions to \Cpp{} for Modules},
+\item incorporate portions of ISO/IEC TS 19571:2016 \textit{Programming Languages --- Technical specification for \Cpp{} extensions for concurrency}, and % latch and barrier
+\item incorporate portions of ISO/IEC TS 19568:2017 \textit{Programming Languages --- \Cpp{} Extensions for Library Fundamentals}.
+
 % language changes
 \item addition of concepts, \grammarterm{requires-clause}s, and \grammarterm{requires-expression}s and
 \libheaderref{concepts} header