Fix up references to random_threshold_channel

doc/image1.html

@@ -947,6 +947,14 @@ <h4>Example</h4>
     "ex/images/spin.gif" alt="" class="spin" title=
     "Mouse over the example to see the original image" /></p>
 
+    <h4>See also</h4>
+
+    <p><a href="#adaptive_threshold">adaptive_threshold</a>,
+    <a href="image3.html#random_threshold_channel">
+    random_threshold_channel</a></p>
+
+
+
     <h4>Magick API</h4>
 
     <p>BilevelImageChannel</p>

doc/image3.html

@@ -2359,7 +2359,7 @@ <h4>See also</h4>
     "image1.html#adaptive_threshold">adaptive_threshold</a>,
     <a href="image1.html#bilevel_channel">bilevel_channel</a>,
     <a href=
-    "image1.html#channel_random_threshold">channel_random_threshold</a></p>
+    "#random_threshold_channel">random_threshold_channel</a></p>
 
     <h4>Magick API</h4>
 

doc/usage.html

@@ -861,12 +861,6 @@ <h4>Enhance</h4>
 
       <dd>Enhance the contrast of the image</dd>
 
-      <dt><a href=
-      "image3.html#random_threshold_channel">random_threshold_channel</a></dt>
-
-      <dd>Change the value of individual pixels based on the
-      intensity of each pixel compared to a random threshold.</dd>
-
       <dt><a href="image3.html#reduce_noise">reduce_noise</a></dt>
 
       <dd>Smooth the contours of an image while still preserving
@@ -933,6 +927,12 @@ <h4>Add effects</h4>
       <dd>Segment an image by analyzing the histograms of the color
       components and identifying units that are homogeneous with
       the fuzzy c-means technique</dd>
+
+      <dt><a href="image3.html#random_threshold_channel">
+      random_threshold_channel</a></dt> 
+
+      <dd>Change the value of individual pixels based on the
+      intensity of each pixel compared to a random threshold.</dd>
 
       <dt><a href="image3.html#threshold">threshold</a></dt>