diff --git a/java/examples/Topics/Simulate/MultipleParticleSystems/ParticleSystem.pde b/java/examples/Topics/Simulate/MultipleParticleSystems/ParticleSystem.pde
index 570551009..7b5586835 100644
--- a/java/examples/Topics/Simulate/MultipleParticleSystems/ParticleSystem.pde
+++ b/java/examples/Topics/Simulate/MultipleParticleSystems/ParticleSystem.pde
@@ -1,5 +1,4 @@
 // An ArrayList is used to manage the list of Particles
-// An Iterator is used to remove "dead" particles while iterating over the list
 
 class ParticleSystem {