diff --git a/Packages/Min_ellipse_2/doc_tex/Optimisation/Optimisation_ref/Min_ellipse_2.tex b/Packages/Min_ellipse_2/doc_tex/Optimisation/Optimisation_ref/Min_ellipse_2.tex
index a9d678fca34..0c2377b6404 100644
--- a/Packages/Min_ellipse_2/doc_tex/Optimisation/Optimisation_ref/Min_ellipse_2.tex
+++ b/Packages/Min_ellipse_2/doc_tex/Optimisation/Optimisation_ref/Min_ellipse_2.tex
@@ -2,14 +2,16 @@
 % The CGAL Reference Manual
 % Section: 2D Smallest Enclosing Ellipse
 % -----------------------------------------------------------------------------
-% source: Min_ellipse_2.tex
-% author: Sven Schönherr (sven@inf.fu-berlin.de)
+% source: Library/spec/Min_ellipse_2.tex
+% author: Bernd Gärtner, Sven Schönherr (sven@inf.fu-berlin.de)
 % $Id$
 % =============================================================================
  
 \begin{ccClassTemplate}{CGAL_Min_ellipse_2<R>}
 \ccSection{2D Smallest Enclosing Ellipse}
 
+\framebox{Preliminary version! Does not match the current implementation!}
+
 \ccDefinition
 
 An object of the class \ccClassTemplateName\ is the unique smallest
diff --git a/Packages/Min_ellipse_2/doc_tex/basic/Optimisation/Optimisation_ref/Min_ellipse_2.tex b/Packages/Min_ellipse_2/doc_tex/basic/Optimisation/Optimisation_ref/Min_ellipse_2.tex
index a9d678fca34..0c2377b6404 100644
--- a/Packages/Min_ellipse_2/doc_tex/basic/Optimisation/Optimisation_ref/Min_ellipse_2.tex
+++ b/Packages/Min_ellipse_2/doc_tex/basic/Optimisation/Optimisation_ref/Min_ellipse_2.tex
@@ -2,14 +2,16 @@
 % The CGAL Reference Manual
 % Section: 2D Smallest Enclosing Ellipse
 % -----------------------------------------------------------------------------
-% source: Min_ellipse_2.tex
-% author: Sven Schönherr (sven@inf.fu-berlin.de)
+% source: Library/spec/Min_ellipse_2.tex
+% author: Bernd Gärtner, Sven Schönherr (sven@inf.fu-berlin.de)
 % $Id$
 % =============================================================================
  
 \begin{ccClassTemplate}{CGAL_Min_ellipse_2<R>}
 \ccSection{2D Smallest Enclosing Ellipse}
 
+\framebox{Preliminary version! Does not match the current implementation!}
+
 \ccDefinition
 
 An object of the class \ccClassTemplateName\ is the unique smallest