Update doc/source/user/workbench.rst

Co-authored-by: Paul Romano <paul.k.romano@gmail.com>

Author: zhieejhia93

doc/source/user/workbench.rst

@@ -19,7 +19,7 @@ Optional: To install OpenMC in the Workbench environemnt, run `setup_openmc.sh`.
 
 To finish setting up WATTS, open Workbench and go to the `File` tab at the top-left corner
 then select `Configurations` from the drop menu. In the `Application configurations`
-window, click `Add` on the top most row then select `WATTS` from the pop-up window.
+window, click `Add` on the top most row then select `Watts` from the pop-up window.
 In the list of `Application Options`, input the path of `watts_ui.py` to `Executable`.
 The file should exist by default in `/watts/src/watt_ui/`. Next, click `Load Grammar`.
 Click `OK` to complete the setup.