Fix old version number.

diff --git a/9.0/paper.tex b/9.0/paper.tex
index f17595a2ccfe6d54347405aad20e9f8b9acb86b8..4467ffd8d2c734f30591870648357ee4163a5f47 100644 (file)
--- a/9.0/paper.tex
+++ b/9.0/paper.tex
@@ -281,7 +281,7 @@ boundary indicators and manifold indicator, leaving the former for boundary
 conditions, and the latter for the geometrical description of the domain.
 
 All functions that allowed to query for \texttt{Boundary} objects (deprecated
-since version 8.9 of the \dealii library) have been removed, and have been
+since version 8.5 of the \dealii library) have been removed, and have been
 replaced by the equivalent methods that query \texttt{Manifold} classes.
 
 The manifold smoothing algorithms applied in the Triangulation class and