Add comment clarifying special handling

Co-authored-by: Ryan McCormick <[email protected]>

src/triton_cli/parser.py

@@ -439,6 +439,7 @@ def parse_args(argv=None):
     add_verbose_args([parser])
 
     argv_ = argv if argv is not None else sys.argv[1:]
+    # Add special argparse handling for passthrough to genai-perf CLI
     if argv_[0] == "profile":
         args, unknown_args = parser.parse_known_args(argv_)
         args = add_unknown_args_to_args(args, unknown_args)