diff --git a/README.rst b/README.rst
index 0011b30e1bf2276ecc8bcf05b1b65c3e79c3a318..01bc7c8e224b9eb2167faf513a85af72e3b78a96 100644
--- a/README.rst
+++ b/README.rst
@@ -107,7 +107,7 @@ contain events, timeslics and summary slices.
 Overview of offline files
 """""""""""""""""""""""""
 
-# info needed here
+Offline files contain data about events, hits and tracks. 
 
 DAQ files reader
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