diff --git a/core/src/main/java/com/seibel/lod/core/dataObjects/fullData/accessor/FullDataArrayAccessor.java b/core/src/main/java/com/seibel/lod/core/dataObjects/fullData/accessor/FullDataArrayAccessor.java
index 72a5ae3b3..97d47a310 100644
--- a/core/src/main/java/com/seibel/lod/core/dataObjects/fullData/accessor/FullDataArrayAccessor.java
+++ b/core/src/main/java/com/seibel/lod/core/dataObjects/fullData/accessor/FullDataArrayAccessor.java
@@ -112,8 +112,8 @@ public class FullDataArrayAccessor implements IFullDataAccessor
 	}
 	
 	/**
-	 * Takes a higher detail {@link FullDataArrayAccessor}'s to a lower detail.
-	 * @param fullDataAccessor must be larger than this {@link FullDataArrayAccessor} and its width must a power of two 
+	 * Takes a higher detail {@link FullDataArrayAccessor}'s and converts the data to a lower detail level.
+	 * @param fullDataAccessor must be larger than this {@link FullDataArrayAccessor} and its width must a power of two larger (example: this.width = 4, other.width = 8)
 	 */
 	public void downsampleFrom(FullDataArrayAccessor fullDataAccessor)
 	{
diff --git a/core/src/main/java/com/seibel/lod/core/dataObjects/fullData/sources/IIncompleteFullDataSource.java b/core/src/main/java/com/seibel/lod/core/dataObjects/fullData/sources/IIncompleteFullDataSource.java
index bf1ae3490..f6a0d539d 100644
--- a/core/src/main/java/com/seibel/lod/core/dataObjects/fullData/sources/IIncompleteFullDataSource.java
+++ b/core/src/main/java/com/seibel/lod/core/dataObjects/fullData/sources/IIncompleteFullDataSource.java
@@ -3,9 +3,9 @@ package com.seibel.lod.core.dataObjects.fullData.sources;
 public interface IIncompleteFullDataSource extends IFullDataSource
 {
 	/**
-	 * Overwrites data in this object with non-null data from the input {@link IFullDataSource}.
+	 * Overwrites data in this object with non-null data from the input {@link IFullDataSource}. <br><br>
 	 * 
-	 * This can be used to either merge same sized data sources or
+	 * This can be used to either merge same sized data sources or downsample to 
 	 */
 	void sampleFrom(IFullDataSource fullDataSource);
 	
diff --git a/core/src/main/java/com/seibel/lod/core/dataObjects/fullData/sources/SpottyFullDataSource.java b/core/src/main/java/com/seibel/lod/core/dataObjects/fullData/sources/SpottyFullDataSource.java
index 520b1bd54..b025f6bdc 100644
--- a/core/src/main/java/com/seibel/lod/core/dataObjects/fullData/sources/SpottyFullDataSource.java
+++ b/core/src/main/java/com/seibel/lod/core/dataObjects/fullData/sources/SpottyFullDataSource.java
@@ -330,13 +330,13 @@ public class SpottyFullDataSource extends FullDataArrayAccessor implements IInco
         }
     }
 	
-    private void sampleFrom(CompleteFullDataSource fullSource)
+    private void sampleFrom(CompleteFullDataSource completeSource)
 	{
-        DhSectionPos pos = fullSource.getSectionPos();
+        DhSectionPos pos = completeSource.getSectionPos();
 		this.isEmpty = false;
-		this.downsampleFrom(fullSource);
+		this.downsampleFrom(completeSource);
 		
-		if (this.getDataDetailLevel() > this.sectionPos.sectionDetailLevel)
+		if (this.getDataDetailLevel() > this.sectionPos.sectionDetailLevel) // TODO what does this mean?
 		{
 			DhLodPos thisLodPos = this.sectionPos.getCorner(this.getDataDetailLevel());
 			DhLodPos dataLodPos = pos.getCorner(this.getDataDetailLevel());
@@ -406,7 +406,7 @@ public class SpottyFullDataSource extends FullDataArrayAccessor implements IInco
 	@Override
 	public DhSectionPos getSectionPos() { return this.sectionPos; }
 	@Override
-	public byte getDataDetailLevel() { return (byte) (this.sectionPos.sectionDetailLevel -SECTION_SIZE_OFFSET); }
+	public byte getDataDetailLevel() { return (byte) (this.sectionPos.sectionDetailLevel - SECTION_SIZE_OFFSET); }
 	@Override
 	public byte getDataVersion() { return LATEST_VERSION;  }