diff --git a/docs/Advanced-Usage/Chip-Communication.rst b/docs/Advanced-Usage/Chip-Communication.rst
index 6af7213b..902a32a3 100644
--- a/docs/Advanced-Usage/Chip-Communication.rst
+++ b/docs/Advanced-Usage/Chip-Communication.rst
@@ -99,6 +99,8 @@ reminder, to run a software RTL simulation, run:
 
    make CONFIG=LargeBoomConfig run-asm-tests
 
+FireSim FPGA-accelerated simulations use TSI by default as well.
+
 If you would like to build and simulate a Chipyard configuration with a DTM configured for DMI communication, then you must create a
 top-level system with the DTM (``TopWithDTM``), a test-harness to connect to the DTM (``TestHarnessWithDTM``), as well as a config to use that top-level system.