diff --git a/Doxyfile b/Doxyfile
index ae2d759..2b1fdfd 100644
--- a/Doxyfile
+++ b/Doxyfile
@@ -62,7 +62,7 @@ PROJECT_BRIEF          = "C++ library with Python bindings to analyse the shape\
 # pixels and the maximum width should not exceed 200 pixels. Doxygen will copy
 # the logo to the output directory.
 
-PROJECT_LOGO           =
+PROJECT_LOGO           = 
 
 # The OUTPUT_DIRECTORY tag is used to specify the (relative or absolute) path
 # into which the generated documentation will be written. If a relative path is
diff --git a/include/2DShape.h b/include/2DShape.h
index 3964765..97f3b02 100644
--- a/include/2DShape.h
+++ b/include/2DShape.h
@@ -4,6 +4,7 @@
 * @author Yossi Bokor Bleile
 * @date April 2023
 * @version 1
+* @copyright BSD 3-Clause License.
 */
 
 #ifndef _2DSHAPE_H_
diff --git a/include/Comp2D.h b/include/Comp2D.h
index 6abfb3f..f04c2ab 100644
--- a/include/Comp2D.h
+++ b/include/Comp2D.h
@@ -4,6 +4,7 @@
 * @author Yossi Bokor Bleile
 * @date April 2023
 * @version 1
+* @copyright BSD 3-Clause License.
 */
 
 #ifndef _COMP2D_H_
diff --git a/include/Comp2DShapes.h b/include/Comp2DShapes.h
index 4fc26f3..18ae195 100644
--- a/include/Comp2DShapes.h
+++ b/include/Comp2DShapes.h
@@ -3,6 +3,7 @@
 * @author Patrice Koehl
 * @author Yossi Bokor Bleile
 * @date April 2023
+* @copyright BSD 3-Clause License.
 * @version 1
 */
 #ifndef _COMP2DSHAPES_H_
diff --git a/include/Comp2DShapesFocal.h b/include/Comp2DShapesFocal.h
index 9b27b69..003fcd3 100644
--- a/include/Comp2DShapesFocal.h
+++ b/include/Comp2DShapesFocal.h
@@ -4,6 +4,7 @@
 * @author Yossi Bokor Bleile
 * @date April 2023
 * @version 1
+* @copyright BSD 3-Clause License.
 */
 #ifndef _COMP2DSHAPESFOCAL_H_
 #define _COMP2DSHAPESFOCAL_H_
diff --git a/include/Curvature/include/Curvature.h b/include/Curvature/include/Curvature.h
index 32f35c9..740ca7d 100644
--- a/include/Curvature/include/Curvature.h
+++ b/include/Curvature/include/Curvature.h
@@ -4,6 +4,7 @@
 * @author Patrice Koehl
 * @date October 2021
 * @version 1
+* @copyright BSD 3-Clause License.
 */
 
 
diff --git a/include/DataStruct/include/Polygon.h b/include/DataStruct/include/Polygon.h
index c82c760..e242c99 100644
--- a/include/DataStruct/include/Polygon.h
+++ b/include/DataStruct/include/Polygon.h
@@ -4,6 +4,7 @@
 * @author Yossi Bokor Bleile
 * @date April 2023
 * @version 1
+* @copyright BSD 3-Clause License.
 */
 
 /* ===========================================================================================
diff --git a/include/DataStruct/include/PolygonBuilder.h b/include/DataStruct/include/PolygonBuilder.h
index 4f95cc1..fac26b3 100644
--- a/include/DataStruct/include/PolygonBuilder.h
+++ b/include/DataStruct/include/PolygonBuilder.h
@@ -4,6 +4,7 @@
 * @author Yossi Bokor Bleile
 * @date April 2023
 * @version 1
+* @copyright BSD 3-Clause License.
 */
 
 
diff --git a/include/DataStruct/include/Types.h b/include/DataStruct/include/Types.h
index 77a970f..a920079 100644
--- a/include/DataStruct/include/Types.h
+++ b/include/DataStruct/include/Types.h
@@ -4,6 +4,7 @@
 * @author Yossi Bokor Bleile
 * @date April 2023
 * @version 1
+* @copyright BSD 3-Clause License.
 */
 
 
diff --git a/include/DataStruct/include/Vector.h b/include/DataStruct/include/Vector.h
index 2ea5d67..7338437 100644
--- a/include/DataStruct/include/Vector.h
+++ b/include/DataStruct/include/Vector.h
@@ -4,6 +4,7 @@
 * @author Yossi Bokor Bleile
 * @date April 2023
 * @version 1
+* @copyright BSD 3-Clause License.
 */
 
 #pragma once
diff --git a/include/DataStruct/include/Vector2D.h b/include/DataStruct/include/Vector2D.h
index 89b69fb..d7e9e9b 100644
--- a/include/DataStruct/include/Vector2D.h
+++ b/include/DataStruct/include/Vector2D.h
@@ -4,6 +4,7 @@
 * @author Yossi Bokor Bleile
 * @date April 2023
 * @version 1
+* @copyright BSD 3-Clause License.
 */
 
 /*********************************************************************************
diff --git a/include/DataStruct/include/Vertex.h b/include/DataStruct/include/Vertex.h
index 295ebca..f2e062f 100644
--- a/include/DataStruct/include/Vertex.h
+++ b/include/DataStruct/include/Vertex.h
@@ -4,6 +4,7 @@
 * @author Yossi Bokor Bleile
 * @date April 2023
 * @version 1
+* @copyright BSD 3-Clause License.
 */
 
 
diff --git a/include/InOut/include/InOut.h b/include/InOut/include/InOut.h
index 5d7995f..1bb44c6 100644
--- a/include/InOut/include/InOut.h
+++ b/include/InOut/include/InOut.h
@@ -5,6 +5,7 @@
 * @author Yossi Bokor Bleile
 * @date April 2023
 * @version 1
+* @copyright BSD 3-Clause License.
 */
 
 #ifndef _INOUT_H_
diff --git a/include/Metrics/include/Convex.h b/include/Metrics/include/Convex.h
index efa6e39..8168c42 100644
--- a/include/Metrics/include/Convex.h
+++ b/include/Metrics/include/Convex.h
@@ -5,6 +5,7 @@
 * @author Yossi Bokor Bleile
 * @date April 2023
 * @version 1
+* @copyright BSD 3-Clause License.
 */
 
 
diff --git a/include/Metrics/include/Ellipse.h b/include/Metrics/include/Ellipse.h
index 26ddaa9..e3f06ba 100644
--- a/include/Metrics/include/Ellipse.h
+++ b/include/Metrics/include/Ellipse.h
@@ -5,6 +5,7 @@
 * @author Yossi Bokor Bleile
 * @date April 2023
 * @version 1
+* @copyright BSD 3-Clause License.
 */
 
 #ifndef _ELLIPSE_H_
diff --git a/include/Metrics/include/Frechet.h b/include/Metrics/include/Frechet.h
index 5817a71..5ad77cb 100644
--- a/include/Metrics/include/Frechet.h
+++ b/include/Metrics/include/Frechet.h
@@ -5,6 +5,7 @@
 * @author Yossi Bokor Bleile
 * @date April 2023
 * @version 1
+* @copyright BSD 3-Clause License.
 */
 
 
diff --git a/include/OT1/include/VectorOps.h b/include/OT1/include/VectorOps.h
index 4a0ffd5..1d4e704 100644
--- a/include/OT1/include/VectorOps.h
+++ b/include/OT1/include/VectorOps.h
@@ -4,6 +4,7 @@
 * @author Patrice Koehl
 * @date 11/12/2018
 * @version 1
+* @copyright BSD 3-Clause License.
 */
 
 #ifndef _VECTOROPS_H_
diff --git a/include/PH0/include/Component.h b/include/PH0/include/Component.h
index 143881b..a7305c2 100644
--- a/include/PH0/include/Component.h
+++ b/include/PH0/include/Component.h
@@ -5,6 +5,7 @@
 * @author Yossi Bokor Bleile
 * @date April 2023
 * @version 1
+* @copyright BSD 3-Clause License.
 */
 
 
diff --git a/include/PH0/include/PH0.h b/include/PH0/include/PH0.h
index 9625344..26f66aa 100644
--- a/include/PH0/include/PH0.h
+++ b/include/PH0/include/PH0.h
@@ -5,6 +5,7 @@
 * @author Yossi Bokor Bleile
 * @date April 2023
 * @version 1
+* @copyright BSD 3-Clause License.
 */
 
 #ifndef _PH0_H
diff --git a/include/PH0/include/PersistenceDiagram.h b/include/PH0/include/PersistenceDiagram.h
index b6be419..75e39ee 100644
--- a/include/PH0/include/PersistenceDiagram.h
+++ b/include/PH0/include/PersistenceDiagram.h
@@ -5,6 +5,7 @@
 * @author Yossi Bokor Bleile
 * @date January 2022
 * @version 1
+* @copyright BSD 3-Clause License.
 */
 
 #ifndef _PERSISTENCEDIAGRAM_H_
diff --git a/include/correa_bindings.h b/include/correa_bindings.h
index 100fe11..9bf24e9 100644
--- a/include/correa_bindings.h
+++ b/include/correa_bindings.h
@@ -1,10 +1,12 @@
 /*!
 * @file correa_bindgins.h
 * @brief create bindings for Correa.
+* @details Generate the Python bindings for Correa using nanobind. In particular the functions to comppare two polygons.
 * @author Patrice Koehl
 * @author Yossi Bokor Bleile
 * @date April 2023
 * @version 1
+* @copyright BSD 3-Clause License.
 */
 
 
diff --git a/src/2DShape.cpp b/src/2DShape.cpp
index baaed8b..b89d950 100644
--- a/src/2DShape.cpp
+++ b/src/2DShape.cpp
@@ -1,10 +1,12 @@
 /*!
 * @file	2DShape.cpp
 * @brief extract infromation about a polygon
+* @details Given a polygon stored in a file, calculate the following information about the polygon: length, area, sphericity, maximum volume inscribed ellipse, minimum volume inscribing ellipse, least square ellipse, Willmore energy, and the dimension 0 persistence diagram with essential pairing of the essential 0-cycle and essential 1-cycle.
 * @author Patrice Koehl
 * @author Yossi Bokor Bleile
 * @date April 2023
 * @version 1
+* @copyright BSD 3-Clause License.
 */
 
 
diff --git a/src/Comp2DShapes.cpp b/src/Comp2DShapes.cpp
index 9d5c997..4205075 100644
--- a/src/Comp2DShapes.cpp
+++ b/src/Comp2DShapes.cpp
@@ -5,6 +5,7 @@
 * @author Yossi Bokor Bleile
 * @date April 2023
 * @version 1
+* @copyright BSD 3-Clause License.
 */
 
 
diff --git a/src/Comp2DShapesFocal.cpp b/src/Comp2DShapesFocal.cpp
index 6a3d101..10583e3 100644
--- a/src/Comp2DShapesFocal.cpp
+++ b/src/Comp2DShapesFocal.cpp
@@ -5,6 +5,8 @@
 * @author Yossi Bokor Bleile
 * @date April 2023
 * @version 1
+* @copyright BSD 3-Clause License.
+* @copyright BSD 3-Clause License.
 */