diff --git a/GEOMS-TE-NEPHELOMETER-001.csv b/GEOMS-TE-NEPHELOMETER-001.csv
index d6d522bab715dd8e609a0dc1f9cd5ac8020f107d..7d67fe60eaf4a27831ec9e9b553061285164604d 100644
--- a/GEOMS-TE-NEPHELOMETER-001.csv
+++ b/GEOMS-TE-NEPHELOMETER-001.csv
@@ -1,5 +1,5 @@
 2,DATETIME,DATETIME,MJD2K,DOUBLE, Mean time of the measurement sequence used for each retrieval; defined relative to reference datetime of Jan. 1 2000 at 0:00:00 UT which is equal to 0.00,x
-2,INTEGRATION.TIME,DATETIME,s,REAL,Effective/Actual integration time,x
+2,INTEGRATION.TIME,[CONSTANT|DATETIME],s,REAL,Effective/Actual integration time,x
 2,LATITUDE.INSTRUMENT,[CONSTANT|DATETIME],deg,REAL,Inst. geolocation. Latitude north (decimal degrees) of the location of the instrument (+ for north; - for south),x
 2,LONGITUDE.INSTRUMENT,[CONSTANT|DATETIME],deg,REAL,Inst. geolocation. Longitude east (decimal degrees) of the location of the instrument (+ for east; - for west),x
 2,ALTITUDE.INSTRUMENT,[CONSTANT|DATETIME],m,REAL,Inst. geolocation. Altitude of the instrument relative to the location site,x