Improve RS documentation.

bug 8570568
Change-Id: I465fcc8ec3e2cc892dc3cb0067aacf5224338102
diff --git a/graphics/java/android/renderscript/ProgramFragment.java b/graphics/java/android/renderscript/ProgramFragment.java
index dd0f9f5..b9ba3fd 100644
--- a/graphics/java/android/renderscript/ProgramFragment.java
+++ b/graphics/java/android/renderscript/ProgramFragment.java
@@ -23,7 +23,7 @@
 /**
  * @hide
  * @deprecated in API 16
- * <p>The Renderscript fragment program, also known as fragment shader is responsible
+ * <p>The RenderScript fragment program, also known as fragment shader is responsible
  * for manipulating pixel data in a user defined way. It's constructed from a GLSL
  * shader string containing the program body, textures inputs, and a Type object
  * that describes the constants used by the program. Similar to the vertex programs,