diff --git a/contribs/io.sarl.examples/io.sarl.examples.plugin/projects/io-sarl-demos-fireworks/src/main/resources/io/sarl/demos/fireworks/gui/FireworksFxApplication.properties b/contribs/io.sarl.examples/io.sarl.examples.plugin/projects/io-sarl-demos-fireworks/src/main/resources/io/sarl/demos/fireworks/gui/FireworksFxApplication.properties
index 981efcf991..778491434b 100644
--- a/contribs/io.sarl.examples/io.sarl.examples.plugin/projects/io-sarl-demos-fireworks/src/main/resources/io/sarl/demos/fireworks/gui/FireworksFxApplication.properties
+++ b/contribs/io.sarl.examples/io.sarl.examples.plugin/projects/io-sarl-demos-fireworks/src/main/resources/io/sarl/demos/fireworks/gui/FireworksFxApplication.properties
@@ -1,13 +1,13 @@
 TITLE=SARL Demo: Fireworks Animation
-SetupButton=Configure
-LaunchButton=Launch
-StopButton=Stop
-GravityLabel=Gravity
-RocketQuantityLabel=Rocket quantity
-FireQuantityLabel=Fire quantity
+SetupButtonText=Configure
+LaunchButtonText=Launch
+StopButtonText=Stop
+GravityLabelText=Gravity
+RocketQuantityLabelText=Rocket quantity
+FireQuantityLabelText=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
+FireQuantityTooltip=Change fire quantity of the demo