Improve RS documentation.

bug 8570568
Change-Id: I465fcc8ec3e2cc892dc3cb0067aacf5224338102
diff --git a/graphics/java/android/renderscript/ScriptIntrinsicConvolve3x3.java b/graphics/java/android/renderscript/ScriptIntrinsicConvolve3x3.java
index d54df96..c9c54b2 100644
--- a/graphics/java/android/renderscript/ScriptIntrinsicConvolve3x3.java
+++ b/graphics/java/android/renderscript/ScriptIntrinsicConvolve3x3.java
@@ -41,7 +41,7 @@
      * <p> [ 0,  0,  0 ]
      * </code>
      *
-     * @param rs The Renderscript context
+     * @param rs The RenderScript context
      * @param e Element type for intputs and outputs
      *
      * @return ScriptIntrinsicConvolve3x3