Minor formatting update

Small tweaks to ensure that things don't get ligatured. I have not found a way to colorize the symbol blocks yet.

source/arguments_edit/build-overviews.rst

@@ -1,9 +1,10 @@
 ----
 
-| Parameter Type: ``Boolean``
+| Parameter Type:
+|  **Boolean**
 | Parameter Domain:
-|  True: --build-overviews
-|  False: `null`
+|  True: ``--build-overviews``
+|  False: ``null``
 
 ----
 
@@ -43,14 +44,14 @@ In the case of WebODM, Overviews are used to create dynamic tiles for rapid disp
 Example Images
 --------------
 
-True: --build-overviews
+True: ``--build-overviews``
 ^^^^^^^^^^^^^^^^^^^^^^^
 .. figure:: https://user-images.githubusercontent.com/19295950/127073339-6b2a0a4f-6ede-4dc1-8da4-5bc9646de304.png
   :alt: QGIS displaying the generated Overviews
 
   The Layer Properties panel demonstrates that this OpenDroneMap-generated GeoTIFF has internal Overviews.
 
-False: `null`
+False: ``null``
 ^^^^^^^^^^^^^
 .. figure:: https://user-images.githubusercontent.com/19295950/127074349-a3f84c4c-d05c-4bf1-bd7c-790781ad0fe3.png
   :alt: QGIS displaying the file is lacking Overviews