diff --git a/absec_auto.h b/absec_auto.h
index 7669c4a..17b06bc 100644
--- a/absec_auto.h
+++ b/absec_auto.h
@@ -1,3 +1,16 @@
+////////
+//
+// header file for autorisation
+// used either for absec_fs or absec_mysql
+//
+// author:  Jean-Luc Cyr
+// date:    2018-10
+//
+// usage:   include this file as header definition
+//          then link the program with either -labsec_fs or -labsec_mysql
+//
 
+#include "httpd.h"
+#include <sys/stat.h>
 
 int mysql_lookup(request_rec *r, struct stat *fperm);
diff --git a/absec_fs.c b/absec_fs.c
index 24f0a98..64a851b 100644
--- a/absec_fs.c
+++ b/absec_fs.c
@@ -1,3 +1,11 @@
+/////
+//
+// File : absec_fs.c
+// Author : Jean-Luc Cyr
+// Date : 2018-10
+//
+// Description: Using filesystem as autorisation method
+//
 
 
 #include "absec_auto.h"
diff --git a/absec_ls.c b/absec_ls.c
index 30e6319..95cfcbd 100644
--- a/absec_ls.c
+++ b/absec_ls.c
@@ -1,3 +1,11 @@
+/////
+//
+// File : absec_ls.c
+// Author : Jean-Luc Cyr
+// Date : 2018-10
+//
+// Description: tool to query permissions from mysql database
+//
 
 #include <stdio.h>
 #include <string.h>
diff --git a/absec_mysql.c b/absec_mysql.c
index 24f0a98..dc6d6f2 100644
--- a/absec_mysql.c
+++ b/absec_mysql.c
@@ -1,3 +1,11 @@
+/////
+//
+// File : absec_mysql.c
+// Author : Jean-Luc Cyr
+// Date : 2018-10
+//
+// Description: Using mysql database as autorisation method
+//
 
 
 #include "absec_auto.h"
diff --git a/absec_pam.c b/absec_pam.c
index df76d01..07d6cc4 100644
--- a/absec_pam.c
+++ b/absec_pam.c
@@ -1,23 +1,17 @@
-
+/////
+//
+// File : absec_pam.c
+// Author : Jean-Luc Cyr
+// Date : 2018-10
+//
+// Description: Using PAM as authentification method
+//
 
 #include "absec_authen.h"
 
 #include <security/pam_appl.h>
 #include <security/pam_misc.h>
 
-////////////////////////////////////////////////////////////////
-/* Check user autentication against unix user/pass */
-/*static int check_autentication(request_rec *r)
-{
-    return 0;
-}*/
-
-////////////////////////////////////////////////////////////////
-/* Check check file perms */
-/*static int check_autorization(request_rec *r)
-{
-    return 0;
-}*/
 
 // Global var for passing fake response to PAM callback
 struct pam_response *reply;
@@ -59,8 +53,3 @@ int check_user(char* user, char* pass) {
     }	
 }
 
-////////////////////////////////////////////////////////////////
-/*void main(int argc, char** argv) {
-	printf("absec_pam OK\n");
-	exit(0);
-}*/
\ No newline at end of file
diff --git a/compile.sh b/compile.sh
index cabd554..38fae9d 100755
--- a/compile.sh
+++ b/compile.sh
@@ -55,14 +55,10 @@ gcc absec_mysql.c `mysql_config --cflags --libs` -I/usr/include/apache2 -I/usr/i
 #exit
 
 echo "----------------"
-echo "Compiling autho test with mysql"
-#/home/jlcyr/apache2/bin/apxs -lpam -lpam_misc `mysql_config --cflags --libs` -c -i mod_absec.c
-gcc test_mysql.c absec_mysql.o -lpam -lpam_misc `mysql_config --cflags --libs` -o test_mysql
-#gcc -o test_pam -lpam -lpam_misc absec_pam.o test_pam.c
-#ld -o test_pam -lc --entry main test_pam.o
-#ld -lpam -lpam_misc --shared -o test_pam absec_pam.o test_pam.o
+echo "Compiling auto test with mysql (test_auto -labsec_mysql)"
+gcc test_auto.c absec_mysql.o `mysql_config --cflags --libs` -I/usr/include/apache2 -I/usr/include/apr-1.0 -o test_auto
 echo "Running test"
-./test_mysql
+./test_auto
 
 
 echo "----------------"
diff --git a/mod_absec.c b/mod_absec.c
index 749a8e8..2fce627 100755
--- a/mod_absec.c
+++ b/mod_absec.c
@@ -1,3 +1,12 @@
+/////
+//
+// File : mod_absec.c
+// Author : Jean-Luc Cyr
+// Date : 2018-10
+//
+// Description: apache module for authentification and autorisation management
+//
+
 /* 
 **  mod_absec.c -- Apache absec module
 **  [base Autogenerated via ``apxs -n absec -g'']
@@ -58,8 +67,8 @@
 #include <shadow.h>
 #include <sys/stat.h>
 
-#include "absec_pam.h"
-#include "absec_mysql.h"
+#include "absec_authen.h"
+#include "absec_auto.h"
 
 ////////////////////////////////////////////////////////////////
 /* Main routine - called after request processing */
diff --git a/test_authen.c b/test_authen.c
index 28283b6..ef69271 100644
--- a/test_authen.c
+++ b/test_authen.c
@@ -1,3 +1,12 @@
+/////
+//
+// File : test_authen.c
+// Author : Jean-Luc Cyr
+// Date : 2018-10
+//
+// Description: authentification method test file
+//
+
 //#include "absec_pam.h"
 //#include "absec_etc.h"
 #include "absec_authen.h"
diff --git a/test_auto.c b/test_auto.c
index b043945..20a1252 100644
--- a/test_auto.c
+++ b/test_auto.c
@@ -1,8 +1,16 @@
 
 
 #include "absec_auto.h"
-//#include <mysql.h>
+#include <mysql.h>
 #include <stdio.h>
+/////
+//
+// File : test_auto.c
+// Author : Jean-Luc Cyr
+// Date : 2018-10
+//
+// Description: autorisation method test file
+//
 
 int main() {
    MYSQL *conn;