adding reference to the RACS monitoring tool

diff --git a/README b/README
index eb0de6e..aca7d89 100644
--- a/README
+++ b/README
@@ -19,7 +19,8 @@ While SAMtools and R are needed for the determination of intergenic regions -IGR
 The main scripts are located in the "core" directory.
 Additionally we provide other subdirectories containing the following:
 	- "hpc": submission scripts for typical job managers and schedulers in HPC environments
-	- "tools": comparison tools developed to compare against other software, eg. MACS
+	- "tools": comparison tools developed to compare against other software, eg. MACS;
+			also we included one monitoring tool to observe the memory/RAMdisk usage whiel RACS is running
 	- "datasets": examples of the data used to test and run our pipeline

 This pipeline is open source under the MIT license, and researchers are welcome to use it.
@@ -85,7 +86,7 @@ RACS
  |   └── IGR-jobs_parallel.gnu
  |   └── modules
  └── tools
-     └──
+     └── racs_monitor.sh
      └──
      └──
 ''