Improve RS documentation.

bug 8570568
Change-Id: I465fcc8ec3e2cc892dc3cb0067aacf5224338102
diff --git a/graphics/java/android/renderscript/FieldPacker.java b/graphics/java/android/renderscript/FieldPacker.java
index 730d973..fed97d6 100644
--- a/graphics/java/android/renderscript/FieldPacker.java
+++ b/graphics/java/android/renderscript/FieldPacker.java
@@ -21,7 +21,7 @@
 
 /**
  * Utility class for packing arguments and structures from Android system objects to
- * Renderscript objects.
+ * RenderScript objects.
  *
  * This class is only intended to be used to support the
  * reflected code generated by the RS tool chain.  It should not