diff --git a/prism/src/parser/visitor/ToSimulator.java b/prism/src/parser/visitor/ToSimulator.java
index 2d6de55a..5b94d439 100644
--- a/prism/src/parser/visitor/ToSimulator.java
+++ b/prism/src/parser/visitor/ToSimulator.java
@@ -36,7 +36,8 @@ import simulator.SimulatorEngine;
 import simulator.SimulatorException;
 
 /**
- * Rename (according to RenamedModule definition), return result.
+ * Construct corresponding data structures in the simulator and return
+ * pointer.
  */
 public class ToSimulator extends ASTTraverseModify
 {