clarify RegionArchetype, per @dean-krueger comment

abachma2 · abachma2 · commit 42723b0cca95 · 2025-11-24T13:23:22.000-06:00
diff --git a/source/user/tutorial/add_reg_inst.rst b/source/user/tutorial/add_reg_inst.rst
@@ -135,7 +135,7 @@ Where:
 
 * ``name``: name of the region
 * ``config``: Region archetype to use
-* ``RegionArchetype``: name of the Region archetype you wish to use in your simulation, and the dotted line in this section represents any inputs that the archetype might have.
+* ``RegionArchetype``: name of the Region archetype you wish to use in your simulation, and the dotted line in this section represents any inputs that the archetype might have. ``RegionArchetype`` is not a valid region archetype name, so that will need to change to the name of whatever region archetype you want to use. 
 
 
 In between the two dotted lines
