Comment cleanup

src/engine/InterestManagement/Terrain.java

@@ -38,7 +38,7 @@ public class Terrain {
         // that all similar terrains share.  (See JSON)
 
         if (this.zone.terrain_type.equals("PLANAR"))
-            this.heightmap = 1006301;  // all 255
+            this.heightmap = 1006301;  // all 0
 
         // Load pixel data for this terrain from cache
 
@@ -58,10 +58,9 @@ public class Terrain {
         this.cell_size.x = terrain_size.x / this.cell_count.x;
         this.cell_size.y = terrain_size.y / this.cell_count.y;
 
-        // Blending and height scaling configuration.  These rations are used to
-        // determine whether a location is within the blending area.  Can also be
-        // done with bounding boxes and subtracting two areas but this is the way
-        // SB modeled things, and we are an SB emulator!
+        // Blending and height scaling configuration.  These ratios are used to
+        // determine the blending area between child and parent terrains when
+        // they are stitched together.
 
         Vector2f major_blend = new Vector2f(this.zone.max_blend / this.zone.major_radius,
                 this.zone.min_blend / this.zone.major_radius);