small spelling changes

docs/Tools/Chisel-Testers.rst

@@ -1,6 +1,7 @@
 Chisel Testers
 ==============================
 
-`Chisel testers <https://github.com/freechipsproject/chisel-testers>`__ is a library for writing tests for Chisel designs.
+`Chisel Testers <https://github.com/freechipsproject/chisel-testers>`__ is a library for writing tests for Chisel designs.
 It provides a Scala API for interacting with a DUT.
-It can use multiple backends, including :ref:`Treadle` and Verilator.
+It can use multiple backends, including things such as Treadle and Verilator.
+See :ref:`Treadle and FIRRTL Interpreter` and :ref:`sw-rtl-sim-intro` for more information on these simulation methods.