diff --git a/README.md b/README.md
index 77eb1a0..528c2db 100644
--- a/README.md
+++ b/README.md
@@ -311,4 +311,4 @@ header files to use with documentation:<br />
    - [On Inverted Index Compression for Search Engine Efficiency](http://www.dcs.gla.ac.uk/~craigm/publications/catena14compression.pdf)
    - [Google's Group Varint Encoding](http://static.googleusercontent.com/media/research.google.com/de//people/jeff/WSDM09-keynote.pdf)
 
-Last update:  22 APR 2016
+Last update:  24 APR 2016