Fixed grammar errors.

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

@@ -128,13 +128,13 @@ Vector3f.NAN = Flying particles face the camera.
 <a| lifetime
 a| `setLowLife()`, `setHighLife()`
 a| 3f, 7f
-a| The time period before a particle fades is set to a random value between minimum and maximum; minimum must be smaller than maximum. A minimum &lt; 1f makes the effect more busy, a higher minimum looks more steady. Use a maximum &lt; 1f for short bursts, and higher maxima for long lasting swarms or smoke. Set maximum and minimum to similar values to create an evenly spaced effect (e.g. fountain), set the to very different values to create a distorted effect (e.g. fire with individual long flames).
+a| The time period before a particle fades is set to a random value between minimum and maximum; minimum must be smaller than maximum. A minimum < 1f makes the effect more busy, a higher minimum looks more steady. Use a maximum < 1f for short bursts, and higher maxima for long lasting swarms or smoke. Set maximum and minimum to similar values to create an evenly spaced effect (e.g. fountain), set the to very different values to create a distorted effect (e.g. fire with individual long flames).
 
 <a| spinning
 a| `setRotateSpeed()`
 a| 0f
 a| 0 = Flying particles don't spin while flying (e.g. smoke, insects, controlled projectiles). +
-&gt; 0 = How fast particle spins while flying (e.g. debris, shuriken, missiles out of control).
+> 0 = How fast particle spins while flying (e.g. debris, shuriken, missiles out of control).
 
 <a| rotation
 a| `setRandomAngle()`
@@ -155,7 +155,7 @@ a|By default, particles are emitted from the emitters location (a point). You ca
 
 |===
 
-Build up you effect by specifying one parameter after the other. If you change several parameters at the same time, it's difficult to tell which of the values caused which outcome.
+Build up your effect by specifying one parameter after the other. If you change several parameters at the same time, it's difficult to tell which of the values caused which outcome.
 
 
 == Create an Effect Material
@@ -251,7 +251,7 @@ Use the `setStartColor()`/`setEndColor()` settings described above to colorize t
     fire.setImagesX(2); fire.setImagesY(2); // 2x2 texture animation
     fire.setEndColor(  new ColorRGBA(1f, 0f, 0f, 1f));   // red
     fire.setStartColor(new ColorRGBA(1f, 1f, 0f, 0.5f)); // yellow
-        fire.getParticleInfluencer().setInitialVelocity(new Vector3f(0,2,0));
+    fire.getParticleInfluencer().setInitialVelocity(new Vector3f(0,2,0));
     fire.setStartSize(1.5f);
     fire.setEndSize(0.1f);
     fire.setGravity(0,0,0);