diff --git a/RasterSymbolizer.md b/RasterSymbolizer.md
index 1e6076e..604b917 100644
--- a/RasterSymbolizer.md
+++ b/RasterSymbolizer.md
@@ -23,10 +23,11 @@ The RasterSymbolizer is used to render an image from any [GDAL supported format]
 
 # Usage
 
-|| *parameter* || *value*  || *description* || 
-|| opacity         ||  0.0 - 1.0   || 1 is fully opaque while zero is fully transparent and .5 would be 50% transparent ||
-|| mode            || grain_merge, grain_merge2, multiply, multiply2, divide, divide2, screen, hard_light || Compositing/Merging effects with image below raster level (?). The formulas for combinding foreground (raster) and background are: grain_merge: bg + fg - 0.5, grain_merge2: bg + 2*fg - 1.0, multiply: fg * bg, multiply2: 2 * fg * bg, divide: bg / fg, divide2: 2*bg / fg, screen: (1-fg)*(1-bg), hardlight: see [[http://docs.gimp.org/en/gimp-concepts-layer-modes.html#id2834930]] ||
-|| scaling         || fast, bilinear, bilinear8 || fast: nearest neighbour, bilinear: bilinear interpolation for all 4 channels (RGBA), bilinear8 like bilinear, but only one channel assumed ||
+| *parameter* | *value* | *description* |
+--------------|---------|-----------|
+| opacity         |  0.0 - 1.0   | 1 is fully opaque while zero is fully transparent and .5 would be 50% transparent |
+| mode            | grain_merge, grain_merge2, multiply, multiply2, divide, divide2, screen, hard_light | Compositing/Merging effects with image below raster level (?). The formulas for combinding foreground (raster) and background are: grain_merge: bg + fg - 0.5, grain_merge2: bg + 2*fg - 1.0, multiply: fg * bg, multiply2: 2 * fg * bg, divide: bg / fg, divide2: 2*bg / fg, screen: (1-fg)*(1-bg), hardlight: see [[http://docs.gimp.org/en/gimp-concepts-layer-modes.html#id2834930]] |
+| scaling         | fast, bilinear, bilinear8 || fast: nearest neighbour, bilinear: bilinear interpolation for all 4 channels (RGBA), bilinear8 like bilinear, but only one channel assumed |
 
 
 There are two types of raster datasources: *gdal* or *raster*: