diff --git a/Installation/CHANGES.md b/Installation/CHANGES.md
index 06af473b88a..925bace86d9 100644
--- a/Installation/CHANGES.md
+++ b/Installation/CHANGES.md
@@ -1,6 +1,6 @@
 Release History
 ===============
-Release 4.13
+Release 4.14
 ------------
 
 ### IO Streams
diff --git a/Polygon/include/CGAL/Polygon_2.h b/Polygon/include/CGAL/Polygon_2.h
index e1a431367ff..05354c0a18c 100644
--- a/Polygon/include/CGAL/Polygon_2.h
+++ b/Polygon/include/CGAL/Polygon_2.h
@@ -53,7 +53,8 @@ namespace CGAL {
 /// The class Polygon_2 implements polygons. The Polygon_2 is
 /// parameterized by a traits class and a container class.  The latter
 /// can be any class that fulfills the requirements for an STL
-/// container. It defaults to the std::vector class.
+/// container, and has a function `resize()` that takes an std::size_t as argument
+///  . It defaults to the std::vector class.
 ///
 /// \cgalHeading{Implementation}
 ///
diff --git a/Stream_support/include/CGAL/IO/traits_linestring.h b/Stream_support/include/CGAL/IO/traits_linestring.h
index 1b73869faa7..110bc37959f 100644
--- a/Stream_support/include/CGAL/IO/traits_linestring.h
+++ b/Stream_support/include/CGAL/IO/traits_linestring.h
@@ -18,8 +18,8 @@
 //
 // Author(s)     : Maxime Gimeno
 
-#ifndef TRAITS_LINESTRING_H
-#define TRAITS_LINESTRING_H
+#ifndef CGAL_IO_TRAITS_LINESTRING_H
+#define CGAL_IO_TRAITS_LINESTRING_H
 #include <CGAL/internal/Geometry_container.h>
 
 
diff --git a/Stream_support/include/CGAL/IO/traits_multilinestring.h b/Stream_support/include/CGAL/IO/traits_multilinestring.h
index 71620b42222..63fc00c264f 100644
--- a/Stream_support/include/CGAL/IO/traits_multilinestring.h
+++ b/Stream_support/include/CGAL/IO/traits_multilinestring.h
@@ -18,8 +18,8 @@
 //
 // Author(s)     : Maxime Gimeno
 
-#ifndef TRAITS_MULTILINESTRING_H
-#define TRAITS_MULTILINESTRING_H
+#ifndef CGAL_IO_TRAITS_MULTILINESTRING_H
+#define CGAL_IO_TRAITS_MULTILINESTRING_H
 
 #include <CGAL/internal/Geometry_container.h>
 
diff --git a/Stream_support/include/CGAL/IO/traits_multipoint.h b/Stream_support/include/CGAL/IO/traits_multipoint.h
index 88d150480fb..2dd48156471 100644
--- a/Stream_support/include/CGAL/IO/traits_multipoint.h
+++ b/Stream_support/include/CGAL/IO/traits_multipoint.h
@@ -18,8 +18,8 @@
 //
 // Author(s)     : Maxime Gimeno
 
-#ifndef TRAITS_MULTIPOINT_H
-#define TRAITS_MULTIPOINT_H
+#ifndef CGAL_IO_TRAITS_MULTIPOINT_H
+#define CGAL_IO_TRAITS_MULTIPOINT_H
 #include <CGAL/internal/Geometry_container.h>
 
 namespace boost{
diff --git a/Stream_support/include/CGAL/IO/traits_multipolygon.h b/Stream_support/include/CGAL/IO/traits_multipolygon.h
index c2abdead830..4e66b2b57b7 100644
--- a/Stream_support/include/CGAL/IO/traits_multipolygon.h
+++ b/Stream_support/include/CGAL/IO/traits_multipolygon.h
@@ -18,8 +18,8 @@
 //
 // Author(s)     : Maxime Gimeno
 
-#ifndef CGAL_TRAITS_MULTIPOLYGON_H
-#define CGAL_TRAITS_MULTIPOLYGON_H
+#ifndef CGAL_IO_TRAITS_MULTIPOLYGON_H
+#define CGAL_IO_TRAITS_MULTIPOLYGON_H
 #include <CGAL/internal/Geometry_container.h>
 
 
diff --git a/Stream_support/include/CGAL/IO/traits_point.h b/Stream_support/include/CGAL/IO/traits_point.h
index 6ff5c3e13a4..895d067ffd1 100644
--- a/Stream_support/include/CGAL/IO/traits_point.h
+++ b/Stream_support/include/CGAL/IO/traits_point.h
@@ -18,8 +18,8 @@
 //
 // Author(s)     : Maxime Gimeno
 
-#ifndef CGAL_TRAITS_POINT_H
-#define CGAL_TRAITS_POINT_H
+#ifndef CGAL_IO_TRAITS_POINT_H
+#define CGAL_IO_TRAITS_POINT_H
 
 #include <CGAL/number_utils.h>
 #include <CGAL/Point_2.h>
diff --git a/Stream_support/include/CGAL/IO/traits_point_3.h b/Stream_support/include/CGAL/IO/traits_point_3.h
index 39eab5be8fb..cab8b024aaf 100644
--- a/Stream_support/include/CGAL/IO/traits_point_3.h
+++ b/Stream_support/include/CGAL/IO/traits_point_3.h
@@ -18,8 +18,8 @@
 //
 // Author(s)     : Maxime Gimeno
 
-#ifndef CGAL_TRAITS_POINT_3_H
-#define CGAL_TRAITS_POINT_3_H
+#ifndef CGAL_IO_TRAITS_POINT_3_H
+#define CGAL_IO_TRAITS_POINT_3_H
 
 #include <CGAL/number_utils.h>
 #include <CGAL/Point_3.h>
diff --git a/Stream_support/include/CGAL/IO/traits_polygon.h b/Stream_support/include/CGAL/IO/traits_polygon.h
index 9955c718671..6d948b7843b 100644
--- a/Stream_support/include/CGAL/IO/traits_polygon.h
+++ b/Stream_support/include/CGAL/IO/traits_polygon.h
@@ -18,8 +18,8 @@
 //
 // Author(s)     : Maxime Gimeno
 
-#ifndef CGAL_TRAITS_POLYGON_H
-#define CGAL_TRAITS_POLYGON_H
+#ifndef CGAL_IO_TRAITS_POLYGON_H
+#define CGAL_IO_TRAITS_POLYGON_H
 #include <CGAL/Polygon_2.h>
 #include <CGAL/Polygon_with_holes_2.h>
 #include <CGAL/Point_2.h>