Correct Bullet#scaleVelocity documentation

core/src/mindustry/content/UnitTypes.java

@@ -2155,6 +2155,7 @@ public class UnitTypes implements ContentList{
                 bullet = new EmpBulletType(){{
                     float rad = 100f;
 
+                    scaleVelocity = true;
                     lightOpacity = 0.7f;
                     unitDamageScl = 0.8f;
                     healPercent = 20f;

core/src/mindustry/entities/bullet/BulletType.java

@@ -93,7 +93,7 @@ public class BulletType extends Content implements Cloneable{
     public boolean collides = true;
     /** Whether velocity is inherited from the shooter. */
     public boolean keepVelocity = true;
-    /** Whether to scale velocity to disappear at the target position. Used for artillery. */
+    /** Whether to scale lifetime (not actually velocity!) to disappear at the target position. Used for artillery. */
     public boolean scaleVelocity;
     /** Whether this bullet can be hit by point defense. */
     public boolean hittable = true;