Changed coloum width for desktops.

src/docs/asciidoc/jme3/advanced/particle_emitters3.adoc

@@ -65,7 +65,7 @@ Choose one of the following mesh shapes
 == Configure Parameters
 
 Not all of these parameters are required for all kinds of effects. If you don't specify one of them, a default value will be used.
-[cols="10,65,25", options="header"]
+[cols="20,60,20", options="header"]
 |===
 
 <a| Parameter