Revert "Update roundtrip.rst"

This reverts commit 19477d4a15c785682e8f66f5c770c191297d24cf.
diff --git a/docs/source/roundtrip.rst b/docs/source/roundtrip.rst
index 7308e56..24f9ef4 100644
--- a/docs/source/roundtrip.rst
+++ b/docs/source/roundtrip.rst
@@ -56,7 +56,17 @@
 	# to install caravel-lite into your caravel_user_project
 	# you can install full caravel (not recommended) use ``export CARAVEL_LITE=0``
 	make install
-
+	
+	# The default for the management core is litex, to install the pico version use
+	export MCW=pico
+	# To install the management core for simulation
+	make install_mcw
+	
+	
+	
+	# To clone the management core pico for simulation
+	git clone git@github.com:efabless/caravel_pico.git
+	
 	# Install openlane for hardening your project
 	# make sure to change <directory_name> with the directory you created in step 1
 	# in this case it is caravel_tutorial
@@ -94,9 +104,6 @@
 	# you can then run the simulations using
 	make verify-<testbench-name>
 	
-	# Test benches are:
-	# io_ports, la_test1, la_test2, wb_port, mprj_stimulus
-	
 	# for example
 	make verify-io_ports