diff --git a/Alpha_shapes_2/doc_tex/Alpha_shapes_2/alpha-detail.png b/Alpha_shapes_2/doc_tex/Alpha_shapes_2/alpha-detail.png
index e0d98601e7d..1df80c0b73f 100644
Binary files a/Alpha_shapes_2/doc_tex/Alpha_shapes_2/alpha-detail.png and b/Alpha_shapes_2/doc_tex/Alpha_shapes_2/alpha-detail.png differ
diff --git a/Installation/CHANGES b/Installation/CHANGES
index 3ddf3d056e4..b479241cec8 100644
--- a/Installation/CHANGES
+++ b/Installation/CHANGES
@@ -131,6 +131,18 @@ in <windows.h> which were clashing with min/max functions.
   in order to speed up the insertion.
 
 
+6.11 Optimal Distances
+
+- Polytope_distance_d
+  * support for homogeneous points
+  * bugfix in fast exact version
+
+6.12 Bounding Volumes
+
+- Min_annulus_d:   
+  * support for homogeneous points
+  * bugfix in fast exact version
+
 
 7 Support Library
 
diff --git a/Kinetic_data_structures/doc_tex/Kinetic_data_structures/quick_hints.tex b/Kinetic_data_structures/doc_tex/Kinetic_data_structures/quick_hints.tex
index 7717a70116f..d39efc34972 100644
--- a/Kinetic_data_structures/doc_tex/Kinetic_data_structures/quick_hints.tex
+++ b/Kinetic_data_structures/doc_tex/Kinetic_data_structures/quick_hints.tex
@@ -1,4 +1,4 @@
-\subsection{Quick Hints \label{sec:quick_hints}}
+\section{Quick Hints \label{sec:quick_hints}}
 
 This section gives quick answers to some questions people might have.
 It presumes knowledge of kinetic data structures and this framework.