Update README.md

README.md

 # Campus Disaster Simulation Dashboard
 
 ## Overview
-A 3D web dashboard that visualizes emergency scenarios (e.g., fire spread, evacuation) on campus. Users should be able to adjust time, scenario location, and view impacts.
+Develop a 3D web dashboard that visualizes emergency scenarios (e.g., terror attack, fire spread evacuation) on campus. Users should be able to adjust time, scenario location, and view impacts.
 
 ## Targets
 - 3D scene of campus (CesiumJS or Unreal Engine).