Update _index.md

Author: pareenaverma

content/learning-paths/mobile-graphics-and-gaming/voice-sentiment-analysis-with-llm/_index.md

@@ -28,7 +28,7 @@ prerequisites:
 author: Bhanu Arya
 
 ### Tags
-skilllevels: Intermediate
+skilllevels: Advanced
 subjects: ML
 armips:
     - Cortex-A