diff --git a/Recast/Source/RecastContour.cpp b/Recast/Source/RecastContour.cpp
index 67112bb..2e3c511 100644
--- a/Recast/Source/RecastContour.cpp
+++ b/Recast/Source/RecastContour.cpp
@@ -602,7 +602,7 @@ bool rcBuildContours(rcCompactHeightfield& chf,
 		}
 	}
 	
-	// Check and merge droplings.
+	// Check and merge droppings.
 	// Sometimes the previous algorithms can fail and create several countours
 	// per area. This pass will try to merge the holes into the main region.
 	for (int i = 0; i < cset.nconts; ++i)
diff --git a/Recast/Source/RecastRegion.cpp b/Recast/Source/RecastRegion.cpp
index 9197283..2409ff6 100644
--- a/Recast/Source/RecastRegion.cpp
+++ b/Recast/Source/RecastRegion.cpp
@@ -888,12 +888,8 @@ bool rcBuildDistanceField(rcCompactHeightfield& chf)
 	rcTimeVal blurStartTime = rcGetPerformanceTimer();
 	
 	// Blur
-	int blurThr[4] = { 2, 4, 8, 16 };
-	for (int i = 0; i < 4; ++i)
-	{
-		if (boxBlur(chf, blurThr[i], src, dst) != src)
-			rcSwap(src, dst);
-	}
+	if (boxBlur(chf, 2, src, dst) != src)
+		rcSwap(src, dst);
 	
 	// Store distance.
 	for (int i = 0; i < chf.spanCount; ++i)