diff --git a/src/accessories/audio.jd b/src/accessories/audio.jd
index 0b61b3f..e6cafe7 100644
--- a/src/accessories/audio.jd
+++ b/src/accessories/audio.jd
@@ -49,6 +49,7 @@
 <p>Host mode enables the Android device to drive the USB bus and operate with a
 wide range of USB-based peripherals, including audio interfaces. Host mode
 audio is described in <a href="{@docRoot}devices/audio/usb.html">USB Digital Audio</a>
+</p>
 
 <h2 id="audio-over-bluetooth">Audio over Bluetooth</h2>
 <p>An accessory that connects with Android over Bluetooth can use an Advanced Audio Distribution
diff --git a/src/devices/audio/implement.jd b/src/devices/audio/implement.jd
index 28f06b7..f8e2116 100644
--- a/src/devices/audio/implement.jd
+++ b/src/devices/audio/implement.jd
@@ -1,4 +1,4 @@
-page.title=Audio
+page.title=Audio Implementation
 @jd:body
 
 <!--
diff --git a/src/devices/audio/terminology.jd b/src/devices/audio/terminology.jd
index cec0bcd..ef4caa9 100644
--- a/src/devices/audio/terminology.jd
+++ b/src/devices/audio/terminology.jd
@@ -341,6 +341,12 @@
 Definition Audio</a>.
 </dd>
 
+<dt>line level</dt>
+<dd>
+<a href="http://en.wikipedia.org/wiki/Line_level">Line level</a> is the strength
+of an analog audio signal that passes between audio components, not transducers.
+</dd>
+
 <dt>MHL</dt>
 <dd>
 Mobile High-Definition Link. Mobile audio/video interface, often over micro-USB
@@ -389,7 +395,7 @@
 <ul>
 <li><a href="http://en.wikipedia.org/wiki/General-purpose_input/output">GPIO</a></li>
 <li><a href="http://en.wikipedia.org/wiki/I%C2%B2C">I²C</a>, for control channel</li>
-<li><a href="http://en.wikipedia.org/wiki/I%C2%B2S">I²S</a>, for audio data</li>
+<li><a href="http://en.wikipedia.org/wiki/I%C2%B2S">I²S</a>, for audio data, simpler than SLIMbus</li>
 <li><a href="http://en.wikipedia.org/wiki/McASP">McASP</a></li>
 <li><a href="http://en.wikipedia.org/wiki/SLIMbus">SLIMbus</a></li>
 <li><a href="http://en.wikipedia.org/wiki/Serial_Peripheral_Interface_Bus">SPI</a></li>
@@ -763,4 +769,4 @@
 operate in volume indices rather than absolute attenuation factors.
 </dd>
 
-</dl>
\ No newline at end of file
+</dl>