diff --git a/matlab/TCV_IMAS/tcv_get_ids_nbi.m b/matlab/TCV_IMAS/tcv_get_ids_nbi.m
index 0b394b77b1a5ef21e562ffd85833a32f9de38a6f..e9ba38c1667e99a648e8529866b3e9f852115e56 100644
--- a/matlab/TCV_IMAS/tcv_get_ids_nbi.m
+++ b/matlab/TCV_IMAS/tcv_get_ids_nbi.m
@@ -5,6 +5,10 @@ function [ids_nbi,ids_nbi_description,varargout] = tcv_get_ids_nbi(shot,ids_nbi_
 %
 % gdat_params: gdat_data.gdat_params to get all params passed from original call, in particular error_bar options
 %
+%
+% Most information taken from NBI and NB_Model wiki pages:
+% https://spcwiki.epfl.ch/wiki/NBI
+% https://spcwiki.epfl.ch/wiki/NB_Model
 imas_version_number=getenv('IMAS_VERSION');
 
 if exist('gdat_params')