Update tutorials/3d/environment_and_post_processing.rst

Co-authored-by: tetrapod <[email protected]>

Author: allenwp

tutorials/3d/environment_and_post_processing.rst

@@ -351,7 +351,7 @@ The tone mapping options are:
 
 - **Exposure:** Adjusts the brightness of values before they are provided to
   the tonemapper. Higher **Exposure** values result in a brighter image.
-  *Note:* Values provided to the tonemapper will also be multiplied by ``2.0``
+  Values provided to the tonemapper will also be multiplied by ``2.0``
   and ``1.8`` for **Filmic** and **ACES** respectively to produce a similar
   apparent brightness as Linear.