Fix spelling

1 files changed, 2 insertions, 2 deletions

diff --git a/src/preface.tex b/src/preface.tex
index 86ecf84..0d3dd66 100644
--- a/src/preface.tex
+++ b/src/preface.tex
@@ -167,9 +167,9 @@ The changes in this version of the document include:
 \item Improvements to the description and commentary.
 \item Defined the term IALIGN as shorthand to describe the instruction-address
   alignment constraint.
-\item Removed text of P extension chapter as now superceded by active task
+\item Removed text of P extension chapter as now superseded by active task
   group documents.
-\item Removed text of V extension chapter as now superceded by separate vector
+\item Removed text of V extension chapter as now superseded by separate vector
   extension draft document.
 \end{itemize}