docs(radiance): correct the tokeniser corpus name and statsdump auth note

serverAppConfigs-docs/LLM/Radiance Tools.md

@@ -255,7 +255,7 @@ eight-rank all-reduce shard weights and times `lockstep`/`ring`/`split` forms at
 ```
 rad-tokcheck [options] <tokenizer.json> <corpus-file>...
 
-  --hf-dir DIR    compare against HuggingFace ids in DIR/<corpus>.ids
+  --hf-dir DIR    compare against HuggingFace ids in DIR/<corpus basename>.ids
                   (little-endian int32, encode(text, add_special_tokens=False))
   --no-ref        skip the reference encoder (slow)
   --user          encode with parse_special off