Update documentation to push threshold back past 80%

src/app/selection-view.coffee

@@ -2,10 +2,10 @@ Point = require 'point'
 Range = require 'range'
 {View, $$} = require 'space-pen'
 
+# Internal:
 module.exports =
 class SelectionView extends View
 
-  # Internal: Establishes the DOM for the selection view.
   @content: ->
     @div class: 'selection'