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diff --git a/_manual/22_using-control-surfaces/01_controlling-ardour-with-osc/03_calculating-feedback-and-strip-types-values.html b/_manual/22_using-control-surfaces/01_controlling-ardour-with-osc/03_calculating-feedback-and-strip-types-values.html
index bf153ce..6e8340c 100644
--- a/_manual/22_using-control-surfaces/01_controlling-ardour-with-osc/03_calculating-feedback-and-strip-types-values.html
+++ b/_manual/22_using-control-surfaces/01_controlling-ardour-with-osc/03_calculating-feedback-and-strip-types-values.html
@@ -11,7 +11,7 @@ title: Calculating Feedback and Strip-types Values
 </p>
 <p>Both ,<em>feedback</em> and <em>strip-types</em> use bitsets to keep
   track what they are doing. Any number in a computer is made out of
-  bits that are on or off, but we represtent them as normal base 10
+  bits that are on or off, but we represent them as normal base 10
   numbers. Any one bit turned on will add a unique value to the
   number as a whole. So for each kind of feedback or strip type
   to be used, that number should be added to the total.</p>
@@ -32,29 +32,39 @@ title: Calculating Feedback and Strip-types Values
 		2	- MidiTracks.
 	</li>
 	<li>
-		4	- AudioBusses.
+		4	- AudioBuses.
 	</li>
 	<li>
-		8	- MidiBusses.
+		8	- MidiBuses.
 	</li>
 	<li>
 		16	- VCAs.
 	</li>
 	<li>
-		2048	- Master.
+		32	- Master.
 	</li>
 	<li>
-		4096	- Monitor.
+		64	- Monitor.
 	</li>
 	<li>
-		16384	- Selected.
+		128	- Audio Aux.
 	</li>
 	<li>
-		32768	- Hidden.
+		256	- Selected.
+	</li>
+	<li>
+		512	- Hidden.
 	</li>
   </ul>
+<p class="note">
+  Selected and Hidden bits are normally not needed as Ardour defaults to
+  showing Selected strips and not showing Hidden strips. The purpose of
+  these two flags is to allow showing only Selected strips or only
+  Hidden strips. Using Hidden with other flags will allow Hidden strips
+  to show inline with other strips.
+</p>
 <p>
-  Some handy numbers to use might be: 15 (all tracks and busses), 31 
+  Some handy numbers to use might be: 15 (all tracks and buses), 31
   (add VCAs to that). Master or Monitor strips are generally not useful
   on a surface that has dedicated controls for these strips as there are
   /master* and /monitor* commands already. However, on a surface with
@@ -63,6 +73,21 @@ title: Calculating Feedback and Strip-types Values
   on a group or a set of user selected strips. Hidden shows strips the
   GUI has hidden.
 </p>
+<p class-"note">
+  Audio Aux? say what? I am sure most people will have noticed that they
+  can find no <em>Aux</em> strips in the Ardour mixer. There are none.
+  There are buses that can be used a number of ways. From analog days,
+  in OSC a bus is something that gets used as a sub mix before ending up
+  going to Master. An auxiliary bus is used like a separate mixer and
+  it's output goes outside the program or computer to be used as:
+  a monitor mix, a back up recording, or what have you. In OSC where
+  controller strips may be limited, it may be useful not to use up a
+  strip for an aux that is not really a part of the mix. It is also
+  useful to get a list of only aux buses if the control surface is a
+  phone used to provide talent monitor mix control on stage. Each
+  performer would be able to mix their own monitor. The user is free
+  to enable both buses and auxes if they would prefer.
+</p>
 
 <h3>feedback</h3> 
 <p>Feedback is an integer made up of bits. The easy way to
@@ -92,7 +117,7 @@ title: Calculating Feedback and Strip-types Values
 		64 - Send timecode.
 	</li>
 	<li>
-		128 - Send meter as dB (-193 to +6) or 1024 depending on gainmode
+		128 - Send meter as dB (-193 to +6) or 0 to 1 depending on gainmode
 	</li>
 	<li>
 		256 - Send meter a 16 bit value where each bit is a level
@@ -100,7 +125,16 @@ title: Calculating Feedback and Strip-types Values
 		will not work if the above option is turned on.
 	</li>
 	<li>
-		512 - Send signal present, true if level is higher than -20dB
+		512 - Send signal present, true if level is higher than -40dB
+	</li>
+	<li>
+		1024 - Send position in samples
+	</li>
+	<li>
+		2048 - Send position in time, hours, minutes, seconds and milliseconds
+	</li>
+ 	<li>
+		8192 - Turn on extra select channel feedback beyond what a /strip supports
 	</li>
   </ul>
 <p>