diff --git a/doc/Doxyfile b/doc/Doxyfile
index 197f1bf..bec556f 100755
--- a/doc/Doxyfile
+++ b/doc/Doxyfile
@@ -1,4 +1,4 @@
-#!/usr/bin/doxygen
+#!/usr/bin/env doxygen
 # Doxyfile 1.8.15
 
 # This file describes the settings to be used by the documentation system
@@ -33,7 +33,7 @@ DOXYFILE_ENCODING      = UTF-8
 # title of most generated pages and in a few other places.
 # The default value is: My Project.
 
-PROJECT_NAME           = "Génération génétique d’images"
+PROJECT_NAME           = "Genetic image generation"
 
 # The PROJECT_NUMBER tag can be used to enter a project or revision number. This
 # could be handy for archiving the generated documentation or if some version
@@ -45,7 +45,7 @@ PROJECT_NUMBER         = 1.0
 # for a project that appears at the top of each page and should give viewer a
 # quick idea about the purpose of the project. Keep the description short.
 
-PROJECT_BRIEF          = "Génération par algorithme génétique d’image avec référence"
+PROJECT_BRIEF          = "Genetic image generation based on reference"
 
 # With the PROJECT_LOGO tag one can specify a logo or an icon that is included
 # in the documentation. The maximum height of the logo should not exceed 55
@@ -92,7 +92,7 @@ ALLOW_UNICODE_NAMES    = YES
 # Ukrainian and Vietnamese.
 # The default value is: English.
 
-OUTPUT_LANGUAGE        = French
+OUTPUT_LANGUAGE        = English
 
 # The OUTPUT_TEXT_DIRECTION tag is used to specify the direction in which all
 # documentation generated by doxygen is written. Doxygen will use this
@@ -464,7 +464,7 @@ EXTRACT_ALL            = YES
 # be included in the documentation.
 # The default value is: NO.
 
-EXTRACT_PRIVATE        = NO
+EXTRACT_PRIVATE        = YES
 
 # If the EXTRACT_PACKAGE tag is set to YES, all members with package or internal
 # scope will be included in the documentation.
@@ -2334,7 +2334,7 @@ INCLUDED_BY_GRAPH      = YES
 # The default value is: NO.
 # This tag requires that the tag HAVE_DOT is set to YES.
 
-CALL_GRAPH             = NO
+CALL_GRAPH             = YES
 
 # If the CALLER_GRAPH tag is set to YES then doxygen will generate a caller
 # dependency graph for every global function or class method.
@@ -2346,7 +2346,7 @@ CALL_GRAPH             = NO
 # The default value is: NO.
 # This tag requires that the tag HAVE_DOT is set to YES.
 
-CALLER_GRAPH           = NO
+CALLER_GRAPH           = YES
 
 # If the GRAPHICAL_HIERARCHY tag is set to YES then doxygen will graphical
 # hierarchy of all classes instead of a textual one.