Update hello_effects.adoc

Fixed broken new lines in emitter effects table.

src/docs/asciidoc/jme3/beginner/hello_effects.adoc

@@ -249,12 +249,12 @@ a| N/A
 a| The maximum number of particles visible at the same time. Value is specified by user in constructor. This influences the density and length of the “trail. 
 
 <a| velocity            
-<a| `getParticleInfluencer(). setInitialVelocity()`  
+<a| `getParticleInfluencer().setInitialVelocity()`  
 a| Vector3f.ZERO 
 a| Specify a vector how fast particles move and in which start direction. 
 
 <a| direction           
-a| `getParticleInfluencer(). setVelocityVariation()` +
+a| `getParticleInfluencer().setVelocityVariation()` +
 `setFacingVelocity()` +
 `setRandomAngle()` +
 `setFaceNormal()` +
@@ -262,7 +262,8 @@ a| `getParticleInfluencer(). setVelocityVariation()` +
 a| 0.2f +
 false +
 false +
-Vector3f.NAN +0.0f 
+Vector3f.NAN +
+0.0f 
 a| Optional accessors that control in which direction particles face while flying. 
 
 <a| lifetime