diff --git a/src/Client/src/main/java/greenify/client/controller/RegisterWindowController.java b/src/Client/src/main/java/greenify/client/controller/RegisterWindowController.java
index 1ebeac8..bc6a292 100644
--- a/src/Client/src/main/java/greenify/client/controller/RegisterWindowController.java
+++ b/src/Client/src/main/java/greenify/client/controller/RegisterWindowController.java
@@ -50,6 +50,8 @@ public class RegisterWindowController {
     @Autowired
     ExtraActivityController extraActivityController;
 
+    @FXML
+    private Text explainText;
     //navigation panes
     @FXML
     private AnchorPane getStartedPane;
@@ -163,6 +165,8 @@ public class RegisterWindowController {
     private PasswordField passwordField2;
     @FXML
     private Button signUpButton;
+
+
     //@FXML
     //private Line uNamePathLine;
 
@@ -192,6 +196,14 @@ public class RegisterWindowController {
         slideIn.play();
     }
 
+    public void showExplanation(ActionEvent event) {
+        if (explainText.isVisible()) {
+            explainText.setVisible(false);
+        } else {
+            explainText.setVisible(true);
+        }
+    }
+
     /**
      * Signs up the user.
      * @param event the click of the sign up button
diff --git a/src/Client/src/main/resources/fxml/FirstCalculator.fxml b/src/Client/src/main/resources/fxml/FirstCalculator.fxml
index 760ebf5..58f37f7 100644
--- a/src/Client/src/main/resources/fxml/FirstCalculator.fxml
+++ b/src/Client/src/main/resources/fxml/FirstCalculator.fxml
@@ -1,5 +1,12 @@
 <?xml version="1.0" encoding="UTF-8"?>
 
+<?import java.lang.*?>
+<?import javafx.geometry.*?>
+<?import javafx.scene.control.*?>
+<?import javafx.scene.image.*?>
+<?import javafx.scene.layout.*?>
+<?import javafx.scene.shape.*?>
+<?import javafx.scene.text.*?>
 <?import javafx.geometry.Insets?>
 <?import javafx.scene.control.Button?>
 <?import javafx.scene.control.CheckBox?>
@@ -15,7 +22,7 @@
 <?import javafx.scene.text.Font?>
 <?import javafx.scene.text.Text?>
 
-<AnchorPane prefHeight="703.0" prefWidth="820.0" xmlns="http://javafx.com/javafx/8.0.172-ea" xmlns:fx="http://javafx.com/fxml/1" fx:controller="greenify.client.controller.RegisterWindowController">
+<AnchorPane prefHeight="703.0" prefWidth="820.0" xmlns="http://javafx.com/javafx/8" xmlns:fx="http://javafx.com/fxml/1" fx:controller="greenify.client.controller.RegisterWindowController">
     <children>
         <AnchorPane fx:id="calculatorTabs" prefHeight="92.0" prefWidth="820.0" style="-fx-background-color: #677069;">
             <children>
@@ -159,7 +166,19 @@
                   <Font name="System Bold" size="22.0" />
                </font>
             </Text>
-            <Text layoutX="15.0" layoutY="459.0" strokeType="OUTSIDE" strokeWidth="0.0" text="This application will help you decrease your CO2-footprint. In the next screen, you will be asked to fill in certain things, like your yearly energy costs. These values will help us calculate your CO2-footprint. Warning: If you don't fill anything in, the calculator will use a default value based on averages, so if you want a value to be zero, please fill in zero. After that, you'll be able to see your score and compare your footprint to those of your friends. Let's go green and save the planet!" textAlignment="CENTER" wrappingWidth="714.0" />
+            <Text fx:id="explainText" layoutX="52.0" layoutY="456.0" strokeType="OUTSIDE" strokeWidth="0.0" text="This application will help you decrease your CO2-footprint. In the next screen, you will be asked to fill in certain things, like your yearly energy costs. These values will help us calculate your CO2-footprint. Warning: If you don't fill anything in, the calculator will use a default value based on averages, so if you want a value to be zero, please fill in zero. After that, you'll be able to see your score and compare your footprint to those of your friends. Let's go green and save the planet!" textAlignment="CENTER" visible="false" wrappingWidth="714.0">
+               <font>
+                  <Font size="14.0" />
+               </font></Text>
+            <Button fx:id="showExplanation" layoutX="31.0" layoutY="534.0" mnemonicParsing="false" prefHeight="63.0" prefWidth="52.0" style="-fx-background-color: transparent; -fx-padding: 0 0 0 0;">
+               <graphic>
+                  <ImageView fitHeight="62.0" fitWidth="83.0" pickOnBounds="true" preserveRatio="true">
+                     <image>
+                        <Image url="@../icons/questionmark.png" />
+                     </image>
+                  </ImageView>
+               </graphic>
+            </Button>
             </children></AnchorPane>
         <AnchorPane fx:id="travelPane" layoutY="85.0" prefHeight="618.0" prefWidth="820.0" visible="false">
             <children>
diff --git a/src/Client/src/main/resources/icons/questionmark.png b/src/Client/src/main/resources/icons/questionmark.png
new file mode 100644
index 0000000..435cd42
Binary files /dev/null and b/src/Client/src/main/resources/icons/questionmark.png differ