.\chapter25.md

lwjglgamedev · lwjglgamedev · commit da9882201ebc · 2017-02-17T17:55:56.000+01:00
diff --git a/chapter25/chapter25.md b/chapter25/chapter25.md
@@ -150,7 +150,7 @@ You can play with activating and deactivating the filtering and can check the in
 
 # Optimizations - Frustum Culling \(II\)
 
-Once the basis of frustum culling has been explained, we can get advatange of more refined methods that the [JOML ](https://github.com/JOML-CI/JOML "JOML")library provides. In particular, it provdies a class named `FrustumIntersection `which extracts the planes of the veiw frustum in a more efficient way as described in this paper.
+Once the basis of frustum culling has been explained, we can get advatange of more refined methods that the [JOML](https://github.com/JOML-CI/JOML "JOML")library provides. In particular, it provdies a class named `FrustumIntersection `which extracts the planes of the veiw frustum in a more efficient way as described in this [paper](http://gamedevs.org/uploads/fast-extraction-viewing-frustum-planes-from-world-view-projection-matrix.pdf "paper").
 
 
 

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`151`	`151`	`# Optimizations - Frustum Culling \(II\)`
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`153`		-Once the basis of frustum culling has been explained, we can get advatange of more refined methods that the [JOML ](https://github.com/JOML-CI/JOML "JOML")library provides. In particular, it provdies a class named `FrustumIntersection `which extracts the planes of the veiw frustum in a more efficient way as described in this paper.
	`153`	+Once the basis of frustum culling has been explained, we can get advatange of more refined methods that the [JOML](https://github.com/JOML-CI/JOML "JOML")library provides. In particular, it provdies a class named `FrustumIntersection `which extracts the planes of the veiw frustum in a more efficient way as described in this [paper](http://gamedevs.org/uploads/fast-extraction-viewing-frustum-planes-from-world-view-projection-matrix.pdf "paper").
`154`	`154`
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