Update index.md

Author: AkshitRaizada

wiki/robotics-project-guide/index.md

@@ -9,4 +9,4 @@ The Robotics Project Guide provides high-level overviews and step-by-step instru
 
 - **[A Comprehensive Overview of Humanoid Robot Planning, Control, and Skill Learning](/wiki/robotics-project-guide/humanoid-robot/):**
   An in-depth look at the challenges and methodologies involved in humanoid robotics, covering traditional planning and control as well as emerging learning-based approaches.
-- **[Choosing a Robotics Simulator](/wiki/robotics-project-guide/choose-a-simulator/):** An evaluation of physics-based simulation tools, covering core simulation concepts like numerical integration (RK4) and URDF modeling and comparing various platforms for algorithmic validation and reinforcement learning.
+- **[Choosing a Robotics Simulator](/wiki/robotics-project-guide/choose-a-sim/):** An evaluation of physics-based simulation tools, covering core simulation concepts like numerical integration (RK4) and URDF modeling and comparing various platforms for algorithmic validation and reinforcement learning.