Update the tools section for XRPCode

Author: bradamiller

course/XRPIntro/installing_tools.rst

@@ -1,11 +1,12 @@
-Things to do: 
-Fix the 'Note' box
-
-
 Installing the programming tools
 ================================
 
 There are two programming languages used throughout this course, Blockly and Python.
+Both languages are programmed on the XRP robot using XRPCode, an online interactive
+development tool that can be used for developing programs in either language.
+
+For more information about using XRPCode refer to the `XRP User Guide section on
+XRPCode <https://xrpusersguide.readthedocs.io/en/latest/course/XRPCode.html>`_. 
 
 Blockly
 -------
@@ -28,9 +29,11 @@ used by the XPR Robot.
 
 .. Note::
 
-   A way to get students comfortable with programming more quickly is to start with
+   One strategy for getting students comfortable with programming more quickly is to
+   start with
    Blockly getting through basic concepts such as functions, conditionals, loops,
-   and all the basic robot operations. Then move to Python to complete the course,
+   and basic robot programming. Once students are familiar with those concepts
+   it is an easy move to Python to complete the course,
    especially for some more complex challenges, such as the final project.
    This will allow for quick onboarding without having to learn too many new
    concepts at the same time. But the decision will depend on the level and experience