update readme with new R feature

1 files changed, 22 insertions, 0 deletions

diff --git a/README.rst b/README.rst
index 08afc28..c5bf114 100644
--- a/README.rst
+++ b/README.rst
@@ -15,6 +15,9 @@ SyncRNG is a Tausworthe RNG implemented in ``syncrng.c``, and linked to both R
 and Python. Since both use the same underlying C code, the random numbers will 
 be the same in both languages, provided the same seed is used.
 
+You can read more about my motivations for creating this `here 
+<https://gertjanvandenburg.com/blog/syncrng/>`_.
+
 How
 ===
 
@@ -38,6 +41,21 @@ Similarly, after installing the R library you can do in R::
 
 You'll notice that the random numbers are indeed the same.
 
+R - User defined RNG
+--------------------
+
+R allows the user to define a custom random number generator, which is then 
+used for the common ``runif`` and ``rnorm`` functions in R. This has also been 
+implemented in SyncRNG as of version 1.3.0. To enable this, run::
+
+    library(SyncRNG)
+
+    set.seed(123456, 'user', 'user')
+    runif(10)
+
+These numbers are between [0, 1) and multiplying by ``2**32 - 1`` gives the 
+same results as above.
+
 Installation
 ============
 
@@ -67,4 +85,8 @@ Notes
 
 The random numbers are uniformly distributed on ``[0, 2^32 - 1]``.
 
+Questions and Issues
+====================
 
+If you have questions about SyncRNG or you encounter a problem, please open an 
+`issue on GitHub <https://github.com/GjjvdBurg/SyncRNG/>`_.