diff --git a/doomsday/client/src/render/biasillum.cpp b/doomsday/client/src/render/biasillum.cpp
index 7fd42d9099..bd307745f5 100644
--- a/doomsday/client/src/render/biasillum.cpp
+++ b/doomsday/client/src/render/biasillum.cpp
@@ -100,7 +100,7 @@ DENG2_PIMPL_NOREF(BiasIllum)
         // Do we need to re-accumulate light contributions?
         if(activeContributors)
         {
-            /// Maximum accumulated color strength.
+            // Maximum accumulated color strength.
             static Vector3f const saturated(1, 1, 1);
 
             for(int i = 0; i < MAX_CONTRIBUTORS; ++i)
@@ -162,7 +162,6 @@ DENG2_PIMPL_NOREF(BiasIllum)
         DENG_ASSERT(tracker != 0);
 
         BiasSource const &source = tracker->contributor(index);
-
         Vector3f &casted = contribution(index);
 
         /// @todo LineSightTest should (optionally) perform this test.
@@ -178,7 +177,6 @@ DENG2_PIMPL_NOREF(BiasIllum)
         }
 
         Vector3d sourceToPoint = source.origin() - point;
-
         double distance = sourceToPoint.length();
         double dot = sourceToPoint.normalize().dot(normalAtPoint);
 
diff --git a/doomsday/client/src/render/biassource.cpp b/doomsday/client/src/render/biassource.cpp
index 6222da7202..a3e132d0c5 100644
--- a/doomsday/client/src/render/biassource.cpp
+++ b/doomsday/client/src/render/biassource.cpp
@@ -69,7 +69,7 @@ DENG2_PIMPL(BiasSource)
           color(color),
           minLight(minLight),
           maxLight(maxLight),
-          lastUpdateTime(0), // Force an update (vertices are STILL_UNSEEN).
+          lastUpdateTime(0), // Force an update.
           changed(true)
     {}
 
@@ -83,7 +83,7 @@ DENG2_PIMPL(BiasSource)
           color(other.color),
           minLight(other.minLight),
           maxLight(other.maxLight),
-          lastUpdateTime(0), // Force an update (vertices are STILL_UNSEEN).
+          lastUpdateTime(0), // Force an update.
           changed(true)
     {}
 
@@ -172,10 +172,8 @@ void BiasSource::setOrigin(Vector3d const &newOrigin)
 {
     if(d->origin != newOrigin)
     {
-        //qDebug() << "BiasSource" << App_World().map().toIndex(*this) << "new origin" << newOrigin.asText();
-
         d->changed = true;
-        d->origin = newOrigin;
+        d->origin  = newOrigin;
         d->bspLeaf = 0;
 
         // Notify interested parties of the change.
@@ -233,7 +231,7 @@ BiasSource &BiasSource::setColor(Vector3f const &newColor)
     {
         Vector3f oldColor = d->color;
 
-        d->color = newColorAmplified;
+        d->color   = newColorAmplified;
         d->changed = true;
 
         // Notify interested parties of the change.
@@ -258,7 +256,7 @@ BiasSource &BiasSource::setIntensity(float newIntensity)
         if(!d->inVoid)
         {
             d->intensity = d->primaryIntensity;
-            d->changed = true;
+            d->changed   = true;
         }
 
         // Notify interested parties of the change.
@@ -298,7 +296,7 @@ bool BiasSource::trackChanges(BiasDigest &changes, uint digestIndex, uint curren
         if(newIntensity != oldIntensity)
         {
             d->intensity = newIntensity;
-            d->changed = true;
+            d->changed   = true;
         }
     }
 
diff --git a/doomsday/client/src/world/bspleaf.cpp b/doomsday/client/src/world/bspleaf.cpp
index 44bf537956..e4d3806de4 100644
--- a/doomsday/client/src/world/bspleaf.cpp
+++ b/doomsday/client/src/world/bspleaf.cpp
@@ -50,9 +50,6 @@ ddouble triangleArea(Vector2d const &v1, Vector2d const &v2, Vector2d const &v3)
 }
 
 #ifdef __CLIENT__
-/**
- * Structure containing data for a geometry group.
- */
 struct GeometryGroup
 {
     typedef QList<BiasIllum> BiasIllums;
@@ -295,7 +292,7 @@ DENG2_PIMPL(BspLeaf)
     }
 
     /**
-     * Retrieve the geometry data for the unique @a group identifier.
+     * Retrieve geometry data by it's associated unique @a group identifier.
      *
      * @param group     Geometry group identifier.
      * @param canAlloc  @c true= to allocate if no data exists. Note that the
diff --git a/doomsday/client/src/world/segment.cpp b/doomsday/client/src/world/segment.cpp
index 5453458f17..23d38e1d54 100644
--- a/doomsday/client/src/world/segment.cpp
+++ b/doomsday/client/src/world/segment.cpp
@@ -41,9 +41,6 @@
 using namespace de;
 
 #ifdef __CLIENT__
-/**
- * Structure containing data for a geometry group.
- */
 struct GeometryGroup
 {
     typedef QList<BiasIllum> BiasIllums;
@@ -99,12 +96,10 @@ DENG2_PIMPL(Segment)
 
 #ifdef __CLIENT__
     /**
-     * Retrieve the geometry data for the unique @a group identifier.
+     * Retrieve geometry data by it's associated unique @a group identifier.
      *
      * @param group     Geometry group identifier.
-     * @param canAlloc  @c true= to allocate if no data exists. Note that the
-     *                  number of vertices in the fan geometry must be known
-     *                  at this time.
+     * @param canAlloc  @c true= to allocate if no data exists.
      */
     GeometryGroup *geometryGroup(int group, bool canAlloc = true)
     {