Add LongJumpable and Jumpable interfaces to user guide library layout.
diff --git a/src/site/apt/userguide/rng.apt b/src/site/apt/userguide/rng.apt
index 2a8e347..c330c1e 100644
--- a/src/site/apt/userguide/rng.apt
+++ b/src/site/apt/userguide/rng.apt
@@ -429,6 +429,9 @@
* Interfaces <<<RestorableUniformRandomProvider>>> and <<<RandomProviderState>>>
provide the "save/restore" API.
+ * Interfaces <<<JumpableUniformRandomProvider>>> and <<<LongJumpableUniformRandomProvider>>>
+ provide the "copy and jump" API for parallel computations.
+
[]
