fix error in example

docs/modules/ROOT/pages/jme3/advanced/anisotropic_filtering.adoc

@@ -20,7 +20,7 @@ image::jme3/advanced/anisotropy_example_mifth_01.jpg[anisotropy_example_mifth_01
 
 JME has DEFAULT AnisotropicFiltering = 0. So, if you make a game for Windows/Linux/Mac.. you need to set the Anisotropic Filtering more than 0.
 
-Example how to set AnisotropicFiltering = 4 for all textures:
+Example how to set AnisotropicFiltering = 8 for all textures:
 
 [source,java]
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