diff --git a/register.php b/register.php
index b6b4ee0..3a7aa6e 100644
--- a/register.php
+++ b/register.php
@@ -1,7 +1,19 @@
 
 <?php 
-session_start();
-include 'db.inc.php';
+
+/*
+author: Thies Müller
+contact: contactme@td00.de
+source: https://github.com/td00/loginpagefoo
+license: AGPL 3.0
+*/
+session_start(); //everytime we want to use $_SESSION or features regarding a valid session we need to start this
+include 'db.inc.php'; //this is used to establish database connections thruout the app
+
+/*
+after this were building the default html page
+We're using some bootstrap stuff here and later on for design purposes. Otherwise this pages would look like shit.
+*/
 ?>
 <!DOCTYPE html> 
 <html> 
@@ -14,80 +26,83 @@ include 'db.inc.php';
 <body>
  
 <?php
-$showFormular = true;
+
+$showFormular = true; //default: render the form
 
 
 
-if(isset($_GET['register'])) {
-    $error = false;
-    $email = $_POST['email'];
-    $username = $_POST['username'];
-    $givenName = $_POST['givenName'];
-    $lastName = $_POST['lastName'];
-    $password = $_POST['password'];
-    $password_confirm = $_POST['password_confirm'];
+if(isset($_GET['register'])) { //checking if "?register=1" is set in the url. used to have the registration on the same page
+    $error = false; //per default no error.
+    $email = $_POST['email']; //get the variable for the email
+    $username = $_POST['username']; //same for username
+    $givenName = $_POST['givenName']; //same for givenName
+    $lastName = $_POST['lastName']; //same for lastName
+    $password = $_POST['password']; //same for password
+    $password_confirm = $_POST['password_confirm']; //same for password_confirm
     //regexes for passvalidation:
-    $REuppercase = preg_match('@[A-Z]@', $password);
-    $RElowercase = preg_match('@[a-z]@', $password);
-    $REnumber    = preg_match('@[0-9]@', $password);
-    $REspecialChars = preg_match('@[^\w]@', $password);
-    if(!filter_var($email, FILTER_VALIDATE_EMAIL)) {
-        echo '<div class="alert alert-danger" role="alert">Please use valid email</div><br>';
-        $error = true;
+    $REuppercase = preg_match('@[A-Z]@', $password); //search for capital letters
+    $RElowercase = preg_match('@[a-z]@', $password); //search for lowercase letters
+    $REnumber    = preg_match('@[0-9]@', $password); //search for numbers
+    $REspecialChars = preg_match('@[^\w]@', $password); //search for the rest
+    if(!filter_var($email, FILTER_VALIDATE_EMAIL)) { //just check if this is a valid email. using phps own functions here.
+        echo '<div class="alert alert-danger" role="alert">Please use valid email</div><br>'; //if the email is invalid, fail with an error
+        $error = true; //here is the error defined
     }     
-    if(strlen($password) == 0) {
+    if(strlen($password) == 0) { //prohibit empty passwords
         echo '<div class="alert alert-danger" role="alert">Please enter password</div><br>';
         $error = true;
     }
-    if($password != $password_confirm) {
+    if($password != $password_confirm) { //check if passwords are alike
         echo '<div class="alert alert-danger" role="alert">passwords doesnt match</div><br>';
         $error = true;
     }
-    if(!$REuppercase || !$RElowercase || !$REnumber || !$REspecialChars || strlen($password) < 8) {
+    if(!$REuppercase || !$RElowercase || !$REnumber || !$REspecialChars || strlen($password) < 8) { //here the regexes (defined up) are checked against the password
         echo '<div class="alert alert-warning" role="alert">Password needs to be more complex.<br />';
         echo '<i>Please implement at least 8 chars, upper & downer caser, one number & one special char.</i></div><br />';
         $error = true;
     }
     
 
-    if(!$error) { 
-        $statement = $pdo->prepare("SELECT * FROM users WHERE email = :email");
+    if(!$error) { //if no error uccored until now do the following:
+        $statement = $pdo->prepare("SELECT * FROM users WHERE email = :email"); //check if the email address is already registered
         $result = $statement->execute(array('email' => $email));
         $user = $statement->fetch();
         
-        if($user !== false) {
+        if($user !== false) { //if the query above does return something in the $user array, print an error
             echo '<div class="alert alert-danger" role="alert">already a user here</div><br>';
             $error = true;
         }    
     }
 
     if(!$error) { 
-        $statement = $pdo->prepare("SELECT * FROM users WHERE username = :username");
+        $statement = $pdo->prepare("SELECT * FROM users WHERE username = :username"); //check if the username is already registered
         $result = $statement->execute(array('username' => $username));
         $user = $statement->fetch();
         
-        if($user !== false) {
+        if($user !== false) { //if the query above does return something in the $user array, print an error
             echo 'already a user here<br>';
             $error = true;
         }    
     }
     
-    if(!$error) {    
-        $password_hash = password_hash($password, PASSWORD_DEFAULT);
+    if(!$error) {    //if no error occured until now, proceed
+        $password_hash = password_hash($password, PASSWORD_DEFAULT); //lets hash the password with the default php function. this suffices for now.
         
+        //this is the giant mysql statement placing everything from the user input in the database:
+        //(also we're placing "isadmin"="0" & "activated"="0" at this point.)
         $statement = $pdo->prepare("INSERT INTO users (email, username, givenName, activated, isadmin, lastName, password) VALUES (:email, :username, :givenName, '0', '0', :lastName, :password)");
         $result = $statement->execute(array('email' => $email, 'username' => $username, 'givenName' => $givenName, 'lastName' => $lastName, 'password' => $password_hash));
         
         if($result) {        
-            echo '<div class="alert alert-success" role="alert">successfull registered. <a href="login.php">Login</a></div><meta http-equiv="refresh" content="1; URL=login.php">';
-            $showFormular = false;
+            echo '<div class="alert alert-success" role="alert">successfull registered. <a href="login.php">Login</a></div><meta http-equiv="refresh" content="1; URL=login.php">'; //if this was successfull, go to the login page.
+            $showFormular = false; //also dont print the form again, if we're registered.
         } else {
-            echo 'Error. Please try again!<br>';
+            echo 'Error. Please try again!<br>'; //else, print the form and try again
         }
     } 
 }
  
-if($showFormular) {
+if($showFormular) { //this prints the form which begins after the closing brackets of php
 ?>
 <script src="ressources/js/bootstrap.min.js"></script>
 <div class="jumbotron jumbotron-fluid">
@@ -128,7 +143,7 @@ if($showFormular) {
 </form>
  </div></div>
 <?php
-} 
+} //we need to close the if statement again.
 ?>
  
 </body>
