diff --git a/GEOMS-TE-LIDAR-AEROSOL-006.csv b/GEOMS-TE-LIDAR-AEROSOL-006.csv
index 98a29cd09be49b2082b75908a0e327fd83898fe4..8a9b1a68b24ed19bff801369cdcd17e35ae34748 100644
--- a/GEOMS-TE-LIDAR-AEROSOL-006.csv
+++ b/GEOMS-TE-LIDAR-AEROSOL-006.csv
@@ -1,7 +1,7 @@
 2,LATITUDE.INSTRUMENT,[CONSTANT|DATETIME],deg,REAL,Inst. geolocation (+ for north; - for south),x
-2,LONGITUDE.INSTRUMENT,[CONSTANT|DATETIME],deg,REAL,Inst. geolocation;  (+ for east; - for west) ,x
+2,LONGITUDE.INSTRUMENT,[CONSTANT|DATETIME],deg,REAL,Inst. geolocation (+ for east; - for west),x
 2,ALTITUDE.INSTRUMENT,[CONSTANT|DATETIME],m,REAL,Inst. geolocation,x
-2,DATETIME,DATETIME,MJD2K,DOUBLE,weighted mean meas. Time,x
+2,DATETIME,DATETIME,MJD2K,DOUBLE,Representative mean measurement time defined relative to 1st January 2000 00:00:00 UT which is equal to 0.0,x
 2,DATETIME.START,DATETIME,MJD2K,DOUBLE,Meas. start,x
 2,DATETIME.STOP,DATETIME,MJD2K,DOUBLE,Meas. stop,x
 2,WAVELENGTH_EMISSION,[CONSTANT|INDEPENDENT],nm,REAL,Wavelength(s) of the transmitted laser pulse,x