diff --git a/RTCP/Cobalt/InputProc/src/Station/generate.cc b/RTCP/Cobalt/InputProc/src/Station/generate.cc
index 338a3f5f4fbebcc357a8d3501af0cbe958de3d9d..ca91c91a38caed7040d1ea34519c3def35952361 100644
--- a/RTCP/Cobalt/InputProc/src/Station/generate.cc
+++ b/RTCP/Cobalt/InputProc/src/Station/generate.cc
@@ -43,6 +43,9 @@ void usage()
 {
   cerr << "Usage: generator -p parset [options]" << endl;
   cerr << endl;
+  cerr << "Generates the RSP data streams as they would come from a station." << endl;
+  cerr << "If run in MPI, the stations for which to generate are distributed among the nodes." << endl;
+  cerr << endl;
   cerr << "-h              Show this help." << endl;
   cerr << "-p parset       Read configuration from given (augmented) parset." << endl;
 }