remove unnecessary example

Author: gabrielsanbrito

index.bs

@@ -11991,10 +11991,9 @@ buffer</a> and the value(s) of the {{AudioParam}}(s) of this
 An <dfn>interruption</dfn> is an event generated by the user agent when it needs
 to halt audio playback for an {{AudioContext}}. For example, The user agent may
 create an interruption when another application requests exclusive access to the
-audio output hardware. This could happen when there is an incoming call from a
-VoIP application.
+audio output hardware.
 
-The {{AudioContext}} |audioContext| performs the following steps on the
+The {{AudioContext}} |context| performs the following steps on the
 <a>rendering thread</a> when an interruption happens.
 
 1. If the |audioContext|'s {{[[rendering thread state]]}} is <code>closed</code>