Fix markdown reference

Author: joeatodd

sycl/doc/syclcompat/README.md

@@ -61,7 +61,7 @@ If available, the following extensions extend SYCLcompat functionality:
 
 ### Hardware Requirements
 
-Some of the functionality provided by SYCLcompat relies on Unified Shared Memory (`aspect::usm_device_allocations`), though most of the USM-like memory APIs (malloc*, memcpy*, memset*) support hardware with only buffer/accessor support. See section [Buffer Support](#buffer_support) below.
+Some of the functionality provided by SYCLcompat relies on Unified Shared Memory (`aspect::usm_device_allocations`), though most of the USM-like memory APIs (malloc*, memcpy*, memset*) support hardware with only buffer/accessor support. See section [Buffer Support](#buffer-support) below.
 
 ## Usage