diff --git a/README.md b/README.md
index 779ce0f..cc86a13 100644
--- a/README.md
+++ b/README.md
@@ -233,6 +233,8 @@ using [900.000 multicore servers](https://www.cloudyn.com/blog/10-facts-didnt-kn
   - Raw 32 bits binary data file [Test data](https://github.com/ot/partitioned_elias_fano/tree/master/test/test_data)
 
         ./icbench file
+        ./icapp file           
+        ./icapp -s2 file         "16 bits binary file
 
   - Text file: 1 integer per line. [Test data: ts.txt(sorted) and lat.txt(unsorted)](https://github.com/zhenjl/encoding/tree/master/benchmark/data))
 
@@ -383,5 +385,5 @@ header files to use with documentation:<br />
   * [Small Polygon Compression](https://arxiv.org/abs/1509.05505) + [Poster](http://abhinavjauhri.me/publications/dcc_poster_2016.pdf) + [code](https://github.com/ajauhri/bignum_compression)
   * [Parallel Graph Analysis (Lecture 18)](http://www.cs.rpi.edu/~slotag/classes/FA16/) + [code](http://www.cs.rpi.edu/~slotag/classes/FA16/handson/lec18-comp2.cpp)
 
-Last update:  12 Jan 2018
+Last update:  13 Jan 2018