Simplified and clarified callout examples

Author: serialc

docs/authoring/callouts.qmd

@@ -26,15 +26,13 @@ Callouts provide a simple way to attract attention, for example, to this warning
 :::
 
 ::: callout-important
-Danger, callouts will really improve your writing.
+The callout heading is provided by the callout type, with the expected heading (i.e., Note, Warning, Important, Tip, or Caution).
 :::
 
 ::: callout-tip
 ## Tip With Title
 
-This is an example of a callout with a title. Providing a heading is optional.
-
-When no heading is provided the callout type will determine the expected heading (i.e., Note, Warning, Important, Tip, or Caution).
+This is an example of a callout with a title. Providing a callout heading is optional.
 :::
 
 ::: {.callout-caution collapse="true"}