Update documentation
diff --git a/www/compose.html b/www/compose.html
index e3c0441..e1f7f24 100644
--- a/www/compose.html
+++ b/www/compose.html
@@ -26,9 +26,9 @@
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@@ -172,7 +172,7 @@
 not overlaid by the source image.  This is to be expected as part of that
 specific composition methods defintion. You can disable this by setting the
 special <a href="command-line-options.html#define">-define</a> 'compose:outside-overlay' to a value of 'false' will turn off
-this behaviour. </p>
+this behavior. </p>
 
 <p>On top of the above 12 Duff-Porter Alpha Composition methods, one special
 related method '<code>Copy</code>' has been provided. This is equivalent to
@@ -180,7 +180,7 @@
 '<code>false</code>', so as to only modify the overlaid area, without clearing
 the rest of the image outside the overlaid area.  </p>
 
-<p>The following mathemathical composition methods are also available. </p>
+<p>The following mathematical composition methods are also available. </p>
 
 <table class="table table-condensed table-striped">
   <tbody>
@@ -210,7 +210,7 @@
   <tr>
     <td>plus</td>
     <td>The source is added to the destination and replaces the
-        destination. This operator is useful for averaging or a controled
+        destination. This operator is useful for averaging or a controlled
         merger of two images, rather than a direct overlay.</td>
   </tr>
 
@@ -280,7 +280,7 @@
 synchronise its actions with the alpha channel.  Instead the math composition
 will be applied on an individual channel basis as defined by the <a href="command-line-options.html#channel">-channel</a>.  This includes the alpha channel. This special usage
 allows you to perform true mathematics of the image channels, without alpha
-compostion effects, becomming involved. </p>
+composition effects, becoming involved. </p>
 
 <p>This special flag is not applied to the lighting composition methods (see
 below) even though they are closely related to mathematical composition
@@ -369,7 +369,7 @@
   <tr>
     <td>pegtop-light</td>
     <td>Almost equivalent to 'Soft-Light', but using a
-        continuious mathematical formula rather than two conditionally
+        continuous mathematical formula rather than two conditionally
         selected formulae. Added ImageMagick version 6.5.4-3. </td>
   </tr>
 
@@ -383,7 +383,7 @@
   <tr>
     <td>pin-light</td>
     <td>Similar to 'Hard-Light', but using sharp linear shadings,
-        to similate the effects of a strong 'pinhole' light source. Added
+        to simulate the effects of a strong 'pinhole' light source. Added
         ImageMagick version 6.5.4-3. </td>
   </tr>
 
@@ -432,7 +432,7 @@
 
 <p>In the "<code>composite</code>" command these composition methods are
 selected using special options with the arguments needed. They are usually,
-but not always, the same name as the composte 'method' they use, and replaces
+but not always, the same name as the composite 'method' they use, and replaces
 the normal use of the <a href="command-line-options.html#compose">-compose</a>
 setting in the "<code>composite</code>" command.  For example... </p>
 
@@ -443,7 +443,7 @@
 <p>As of IM v6.5.3-4 the "<code>convert</code>" command can now also supply
 these extra arguments to its <a href="command-line-options.html#composite">-composite</a> operator, using the special <a href="command-line-options.html#define">-define</a>
 attribute of '<code class="arg">compose:args</code>'.  This means you can now
-make use of these special argumented <a href="command-line-options.html#compose">-compose</a> methods, those the argument and the method both need to be set
+make use of these special augmented <a href="command-line-options.html#compose">-compose</a> methods, those the argument and the method both need to be set
 separately.  For example... </p>
 
 <pre>
@@ -501,7 +501,7 @@
         to ImageMagick version 6.5.4-3.
     <br>As of IM v6.6.1-6 this method will do per-channel math compositions
         if the 'Sync' flag is removed from <a href="command-line-options.html#channel">-channel</a>, just like all
-        the other mathematical compostion methods above.
+        the other mathematical composition methods above.
     </td>
   </tr>
 
@@ -535,7 +535,7 @@
         if given is rolled into green channel of the overlay image. This
         separation allows you to modulate the X and Y lookup displacement
         separately allowing you to do 2-dimensional displacements, rather
-        than 1-dimensional verctored displacements (using grayscale image).
+        than 1-dimensional vectored displacements (using grayscale image).
     <br><br>
         If the overlay image contains transparency this is used as a mask
         of the resulting image to remove 'invalid' pixels.
@@ -581,7 +581,7 @@
         As per 'Displace' and 'Distort', the red channel will modulate the
         width of the ellipse, while the green channel will modulate the height
         of the ellipse. If a single Angle value is given in the arguments,
-        then the ellipse will then be rotated by the angle specifed.
+        then the ellipse will then be rotated by the angle specified.
     <br><br>
         Normally the blue channel of the mapping overlay image is ignored.
         However if a second ellipse angle is given, then it is assumed that
@@ -612,6 +612,7 @@
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