diff --git a/schainpy/model/proc/jroproc_parameters.py b/schainpy/model/proc/jroproc_parameters.py
index d5f10fc..078b8c5 100644
--- a/schainpy/model/proc/jroproc_parameters.py
+++ b/schainpy/model/proc/jroproc_parameters.py
@@ -1,3 +1,4 @@
+# v3.0-devel
 import numpy
 import math
 from scipy import optimize, interpolate, signal, stats, ndimage