diff --git a/source/PaNET.csv b/source/PaNET.csv
index f32a516..1c75ade 100644
--- a/source/PaNET.csv
+++ b/source/PaNET.csv
@@ -57,7 +57,7 @@ ID number,,,,,,,,,,,,,,,,,,,,,,,,
 ,,,,,,,,,,,,,,,,,,,,,,,,
 1000,http://purl.org/pan-science/PaNET/PaNET01000,time of flight-based techniques,TOF,,,,owl:Class,PaNET:PaNET00105,,,,,,,,,,,,,,,,
 1001,http://purl.org/pan-science/PaNET/PaNET01001,neutron time of flight-based techniques,,,,,owl:Class,,,,,,,,('definedbyprobe' some 'neutron'),time of flight-based techniques,,,,,,,,
-1002,http://purl.org/pan-science/PaNET/PaNET01002,ultrafast probe-based techniques,femtosecond probe,,,,owl:Class,,,,,,,,('definedbyprobe' some PaNET:PaNET2020000),,,,,,,,,
+1002,http://purl.org/pan-science/PaNET/PaNET01002,ultrafast probe-based techniques,femtosecond probe,,,,owl:Class,,,,,,,,('definedbycharacteristic' some PaNET:PaNET2020000),,,,,,,,,
 1003,http://purl.org/pan-science/PaNET/PaNET01003,single shot-based techniques,,,,,owl:Class,PaNET:PaNET00105,,,,,,,,,,,,,,,,
 1004,http://purl.org/pan-science/PaNET/PaNET01004,nanofocused probe-based techniques,,,using a beam with dimensions in the nanometre range;may or may not result in a map (2D); see obtain ultra high resolution map,,owl:Class,,,,,,,,('definedbyprobe' some PaNET:PaNET2020001),,,,,,,,,
 1005,http://purl.org/pan-science/PaNET/PaNET01005,IR photon probe-based techniques,infrared photon probe technique,,a technique using photons in the infrared range: 750 nm - 3e6 nm (1.7 eV - 0.0004 eV; 400 THz - 0.1 THz),https://en.wikipedia.org/wiki/Infrared,owl:Class,,,,,,,,('definedbyprobe' some 'IR photon'),,,,,,,,,