diff --git a/src/main/sarl/io/sarl/demos/fireworks/FireworksFXApplication.fxml b/src/main/sarl/io/sarl/demos/fireworks/FireworksFXApplication.fxml
index 6f7f89a..c687201 100644
--- a/src/main/sarl/io/sarl/demos/fireworks/FireworksFXApplication.fxml
+++ b/src/main/sarl/io/sarl/demos/fireworks/FireworksFXApplication.fxml
@@ -4,17 +4,27 @@
 <?import javafx.scene.control.Button?>
 <?import javafx.scene.control.Label?>
 <?import javafx.scene.control.ScrollBar?>
+<?import javafx.scene.control.Tooltip?>
 <?import javafx.scene.layout.AnchorPane?>
 <?import javafx.scene.layout.Pane?>
 
 <Pane fx:id="main_pane" maxHeight="-Infinity" maxWidth="-Infinity" minHeight="-Infinity" minWidth="-Infinity" prefHeight="608.0" prefWidth="933.0" xmlns="http://javafx.com/javafx/8.0.111" xmlns:fx="http://javafx.com/fxml/1" fx:controller="io.sarl.demos.fireworks.gui.FXMLViewerController">
    <children>
       <Canvas fx:id="draw_zone" height="583.0" layoutX="199.0" layoutY="13.0" rotate="180.0" width="715.0" />
-      <Button fx:id="setup_button" layoutX="26.0" layoutY="45.0" mnemonicParsing="false" onAction="#actionSetup" text="%SetupButtonText" />
-      <Button fx:id="launch_button" disable="true" layoutX="26.0" layoutY="89.0" mnemonicParsing="false" onAction="#actionLaunch" text="%LaunchButtonText" />
+      <Button fx:id="setup_button" layoutX="26.0" layoutY="45.0" mnemonicParsing="false" onAction="#actionSetup" text="%SetupButtonText">
+         <tooltip>
+            <Tooltip text="%SetupButtonTooltip" />
+         </tooltip></Button>
+      <Button fx:id="launch_button" disable="true" layoutX="26.0" layoutY="89.0" mnemonicParsing="false" onAction="#actionLaunch" text="%LaunchButtonText">
+         <tooltip>
+            <Tooltip text="%LaunchButtonTooltip" />
+         </tooltip></Button>
       <AnchorPane layoutX="30.0" layoutY="145.0">
          <children>
-            <ScrollBar fx:id="gravity_input" max="3.0" onMouseEntered="#actionGravityDisplay" prefHeight="17.0" prefWidth="159.0" unitIncrement="0.1" value="0.5" />
+            <ScrollBar fx:id="gravity_input" max="3.0" onMouseEntered="#actionGravityDisplay" prefHeight="17.0" prefWidth="159.0" unitIncrement="0.1" value="0.5">
+               <tooltip>
+                  <Tooltip text="%GravityTooltip" />
+               </tooltip></ScrollBar>
             <Label fx:id="gravity_display" layoutX="113.0" layoutY="17.0" prefHeight="17.0" prefWidth="46.0" text="0,5" />
             <Label layoutY="17.0" prefHeight="17.0" prefWidth="46.0" text="%GravityLabelText" />
          </children>
@@ -23,16 +33,25 @@
          <children>
             <Label layoutX="4.0" layoutY="17.0" text="%FireQuantityLabelText" />
             <Label fx:id="fire_quantity_display" layoutX="117.0" layoutY="17.0" prefHeight="17.0" prefWidth="46.0" text="30" />
-            <ScrollBar fx:id="fire_quantity_input" layoutX="4.0" max="50.0" min="5.0" onMouseEntered="#actionFireQuantityDisplay" prefHeight="17.0" prefWidth="159.0" value="30.0" />
+            <ScrollBar fx:id="fire_quantity_input" layoutX="4.0" max="50.0" min="5.0" onMouseEntered="#actionFireQuantityDisplay" prefHeight="17.0" prefWidth="159.0" value="30.0">
+               <tooltip>
+                  <Tooltip text="%FireQuantityTooltip" />
+               </tooltip></ScrollBar>
          </children>
       </AnchorPane>
       <AnchorPane layoutX="30.0" layoutY="199.0">
          <children>
-            <ScrollBar fx:id="rocket_quantity_input" max="40.0" min="1.0" onMouseEntered="#actionRocketQuantityDisplay" prefHeight="17.0" prefWidth="159.0" value="20.0" />
+            <ScrollBar fx:id="rocket_quantity_input" max="40.0" min="1.0" onMouseEntered="#actionRocketQuantityDisplay" prefHeight="17.0" prefWidth="159.0" value="20.0">
+               <tooltip>
+                  <Tooltip text="%RocketQuantityTooltip" />
+               </tooltip></ScrollBar>
             <Label layoutY="20.0" text="%RocketQuantityLabelText" />
             <Label fx:id="rocket_quantity_display" layoutX="113.0" layoutY="20.0" prefHeight="17.0" prefWidth="46.0" text="20" />
          </children>
       </AnchorPane>
-      <Button fx:id="stop_button" disable="true" layoutX="117.0" layoutY="89.0" mnemonicParsing="false" onAction="#actionStop" text="%StopButtonText" />
+      <Button fx:id="stop_button" disable="true" layoutX="117.0" layoutY="89.0" mnemonicParsing="false" onAction="#actionStop" text="%StopButtonText">
+         <tooltip>
+            <Tooltip text="%StopButtonTooltip" />
+         </tooltip></Button>
    </children>
 </Pane>
diff --git a/src/main/sarl/io/sarl/demos/fireworks/FireworksFXApplication.properties b/src/main/sarl/io/sarl/demos/fireworks/FireworksFXApplication.properties
index 0f32001..981efcf 100644
--- a/src/main/sarl/io/sarl/demos/fireworks/FireworksFXApplication.properties
+++ b/src/main/sarl/io/sarl/demos/fireworks/FireworksFXApplication.properties
@@ -4,4 +4,10 @@ LaunchButton=Launch
 StopButton=Stop
 GravityLabel=Gravity
 RocketQuantityLabel=Rocket quantity
-FireQuantityLabel=Fire quantity
\ No newline at end of file
+FireQuantityLabel=Fire quantity
+SetupButtonTooltip=Setup the entire environment according to the data given below
+LaunchButtonTooltip=Launch fireworks
+StopButtonTooltip=Stop and freeze fireworks
+GravityTooltip=Change demo gravity
+RocketQuantityTooltip=Change rocket quantity of the demo
+FireQuantityTooltip=Change fire quantity of the demo
\ No newline at end of file
diff --git a/src/main/sarl/io/sarl/demos/fireworks/FireworksFXApplication_fr.properties b/src/main/sarl/io/sarl/demos/fireworks/FireworksFXApplication_fr.properties
index 9d20255..08a2e2c 100644
--- a/src/main/sarl/io/sarl/demos/fireworks/FireworksFXApplication_fr.properties
+++ b/src/main/sarl/io/sarl/demos/fireworks/FireworksFXApplication_fr.properties
@@ -4,4 +4,10 @@ LaunchButtonText=Lancer
 StopButtonText=Stop
 GravityLabelText=Gravité
 RocketQuantityLabelText=Quantité de roquettes
-FireQuantityLabelText=Quantité de feu
\ No newline at end of file
+FireQuantityLabelText=Quantité de feu
+SetupButtonTooltip=Configure l'environement en fonction des données plus bas
+LaunchButtonTooltip=Lance l'animation de feux d'artifices
+StopButtonTooltip=Stop et gèle les feux d'artifices
+GravityTooltip=Change la gravité de la démo
+RocketQuantityTooltip=Change la quantité de roquettes de la démo
+FireQuantityTooltip=Change la quantité de feu émise par les roquettes
\ No newline at end of file