Updating slang documentation in VTR/run_vtr_flow

Author: loglav03

doc/src/vtr/run_vtr_flow.rst

@@ -65,9 +65,6 @@ They will cause VPR to perform only :ref:`packing and placement <general_options
     # Using the Yosys conventional Verilog parser
     ./run_vtr_flow <path/to/Verilog/File> <path/to/arch/file>
 
-    # Using the Yosys-SystemVerilog plugin if installed, otherwise the Yosys conventional Verilog parser
-    ./run_vtr_flow <path/to/SystemVerilog/File> <path/to/arch/file> -parser system-verilog
-
 Running the VTR flow with the default configuration using the Yosys standalone front-end.
 The parser for these runs is considered the Yosys conventional Verilog/SystemVerilog parser (i.e., ``read_verilog -sv``), as the parser is not explicitly specified.
 
@@ -78,7 +75,9 @@ The parser for these runs is considered the Yosys conventional Verilog/SystemVer
 
 Will run the VTR flow (default configuration) with Yosys-Slang plugin for Yosys frontend using Parmys plugin as partial mapper.
 The Yosys-Slang SystemVerilog parser supports the (i.e., ``read_slang``) command. Yosys-Slang builds on top of the slang library to provide comprehensive SystemVerilog support.
-Enable the Yosys-Slang plugin with the ``-DSLANG_SYSTEMVERILOG=ON`` compile flag for the Parmys front-end.
+Enable the Yosys-Slang plugin with the ``-DSLANG_SYSTEMVERILOG=ON`` compile flag while building the VTR project with yosys as a frontend.
+
+.. note:: Yosys-Slang is currently **experimental**.
 
 .. code-block:: bash