Demo app android xnnpack quick-fix for the bookmark link (#5642)

Summary:
Pull Request resolved: #5642

quick fix for the in page link

Reviewed By: kirklandsign

Differential Revision: D63400245

fbshipit-source-id: 2fe6c71117851b22dd80654f9c19a2c3e0036a03

Author: Chester Hu

examples/demo-apps/android/LlamaDemo/docs/delegates/xnnpack_README.md

@@ -1,6 +1,6 @@
 # Building ExecuTorch Android Demo App for Llama running XNNPack
 
-**[UPDATE - 09/25]** We have added support for running [Llama 3.2 models](#for-llama-3.2-1b-and-3b-models) on the XNNPack backend. We currently support inference on their original data type (BFloat16). We have also added instructions to run [Llama Guard 1B models](#for-llama-guard-1b-models) on-device.
+**[UPDATE - 09/25]** We have added support for running [Llama 3.2 models](#for-llama-32-1b-and-3b-models) on the XNNPack backend. We currently support inference on their original data type (BFloat16). We have also added instructions to run [Llama Guard 1B models](#for-llama-guard-1b-models) on-device.
 
 This tutorial covers the end to end workflow for building an android demo app using CPU on device via XNNPack framework.
 More specifically, it covers: