diff --git a/src/main/sarl/io/sarl/demos/fireworks/FireworksFXApplication.sarl b/src/main/sarl/io/sarl/demos/fireworks/FireworksFXApplication.sarl
index 2d13838..d2c6794 100644
--- a/src/main/sarl/io/sarl/demos/fireworks/FireworksFXApplication.sarl
+++ b/src/main/sarl/io/sarl/demos/fireworks/FireworksFXApplication.sarl
@@ -21,7 +21,7 @@ class FireworksFXApplication extends Application {
 		loader.setBuilderFactory(new JavaFXBuilderFactory());
 		var root : Parent = loader.load(location.openStream()) as Parent;
 		var scene : Scene = new Scene(root);
-		stage.setTitle("Firewoks sarl animation");
+		stage.setTitle("SARL Demo: Fireworks Animation");
 		stage.setScene(scene);
 		stage.show();
 	}
diff --git a/src/main/sarl/io/sarl/demos/fireworks/agents/Fire.sarl b/src/main/sarl/io/sarl/demos/fireworks/agents/Fire.sarl
index 14bda30..85a21bd 100644
--- a/src/main/sarl/io/sarl/demos/fireworks/agents/Fire.sarl
+++ b/src/main/sarl/io/sarl/demos/fireworks/agents/Fire.sarl
@@ -7,6 +7,7 @@ import io.sarl.core.Initialize
 import io.sarl.core.Lifecycle
 import io.sarl.core.Logging
 import io.sarl.core.Schedules
+import io.sarl.demos.fireworks.Positions
 import io.sarl.demos.fireworks.events.Exit
 import io.sarl.demos.fireworks.events.FireReady
 import io.sarl.demos.fireworks.events.Freeze
diff --git a/src/main/sarl/io/sarl/demos/fireworks/agents/LaunchingArea.sarl b/src/main/sarl/io/sarl/demos/fireworks/agents/LaunchingArea.sarl
index 5a8d263..c850a29 100644
--- a/src/main/sarl/io/sarl/demos/fireworks/agents/LaunchingArea.sarl
+++ b/src/main/sarl/io/sarl/demos/fireworks/agents/LaunchingArea.sarl
@@ -7,6 +7,7 @@ import io.sarl.core.InnerContextAccess
 import io.sarl.core.Lifecycle
 import io.sarl.core.Logging
 import io.sarl.core.MemberJoined
+import io.sarl.demos.fireworks.Positions
 import io.sarl.demos.fireworks.events.CreateArea
 import io.sarl.demos.fireworks.events.Exit
 import io.sarl.demos.fireworks.events.Freeze
diff --git a/src/main/sarl/io/sarl/demos/fireworks/agents/Rocket.sarl b/src/main/sarl/io/sarl/demos/fireworks/agents/Rocket.sarl
index 599cfff..aa2f9ef 100644
--- a/src/main/sarl/io/sarl/demos/fireworks/agents/Rocket.sarl
+++ b/src/main/sarl/io/sarl/demos/fireworks/agents/Rocket.sarl
@@ -10,6 +10,7 @@ import io.sarl.core.Logging
 import io.sarl.core.MemberJoined
 import io.sarl.core.MemberLeft
 import io.sarl.core.Schedules
+import io.sarl.demos.fireworks.Positions
 import io.sarl.demos.fireworks.events.Exit
 import io.sarl.demos.fireworks.events.Explode
 import io.sarl.demos.fireworks.events.FireReady
diff --git a/src/main/sarl/io/sarl/demos/fireworks/agents/RocketLauncher.sarl b/src/main/sarl/io/sarl/demos/fireworks/agents/RocketLauncher.sarl
index 9bb96f3..abb6bce 100644
--- a/src/main/sarl/io/sarl/demos/fireworks/agents/RocketLauncher.sarl
+++ b/src/main/sarl/io/sarl/demos/fireworks/agents/RocketLauncher.sarl
@@ -7,6 +7,7 @@ import io.sarl.core.InnerContextAccess
 import io.sarl.core.Lifecycle
 import io.sarl.core.Logging
 import io.sarl.core.MemberLeft
+import io.sarl.demos.fireworks.Positions
 import io.sarl.demos.fireworks.events.Exit
 import io.sarl.demos.fireworks.events.Freeze
 import io.sarl.demos.fireworks.events.Launch
diff --git a/src/main/sarl/io/sarl/demos/fireworks/gui/FXMLViewerController.java b/src/main/sarl/io/sarl/demos/fireworks/gui/FXMLViewerController.java
index 51ccc80..19b8ab6 100644
--- a/src/main/sarl/io/sarl/demos/fireworks/gui/FXMLViewerController.java
+++ b/src/main/sarl/io/sarl/demos/fireworks/gui/FXMLViewerController.java
@@ -3,7 +3,7 @@ package io.sarl.demos.fireworks.gui;
 import java.util.UUID;
 
 import io.sarl.demos.fireworks.Firework;
-import io.sarl.demos.fireworks.agents.Positions;
+import io.sarl.demos.fireworks.Positions;
 import io.sarl.demos.fireworks.events.CreateArea;
 import io.sarl.demos.fireworks.events.Exit;
 import io.sarl.demos.fireworks.events.Freeze;