diff --git a/GEOMS-TE-PHOTOMETER-001.csv b/GEOMS-TE-PHOTOMETER-001.csv
index 5f67a70e83b5f35813204bb3acf0a9f39f45fd99..c6aa2cb99ffd3757452598b696bc8f069c364800 100644
--- a/GEOMS-TE-PHOTOMETER-001.csv
+++ b/GEOMS-TE-PHOTOMETER-001.csv
@@ -8,7 +8,7 @@
 2,AIR.MASS,DATETIME,1,REAL,Optical air mass,x
 2,AEROSOL.OPTICAL.DEPTH,DATETIME;WAVELENGTH,1,REAL,Aerosol optical depth at corrisponding wavelength,x
 2,H2O.COLUMN_ABSORPTION.SOLAR,DATETIME,cm,REAL,Total column water vapor at 940 nm,o
-2,AEROSOL.ANGSTROM.EXPONENT_WAVELENGTH.INDEX,AEROSOL.ANGSTROM.EXPONENT_WAVELENGTH.INDEX,Index of number of wavelength pairs considered for the AEROSOL.ANGSTROM.EXPONENT calculation,x
-2,AEROSOL.ANGSTROM.EXPONENT_WAVELENGTH.PAIR,AEROSOL.ANGSTROM.EXPONENT_WAVELENGTH.INDEX;INDEPENDENT,Boundaries of the range of wavelengths used for the calculation of AEROSOL.ANGSTROM.EXPONENT. The algorithm uses all wavelengths listed in WAVELENGTH variable, comprised in this range,x
-2,AEROSOL.ANGSTROM.EXPONENT,DATETIME;AEROSOL.ANGSTROM.EXPONENT_WAVELENGTH.INDEX,Aerosol Angstrom exponent retrieved using the wavelengths range specified by the variable AEROSOL.ANGSTROM.EXPONENT_WAVELENGTH.PAIR,x
+2,AEROSOL.ANGSTROM.EXPONENT_WAVELENGTH.INDEX,AEROSOL.ANGSTROM.EXPONENT_WAVELENGTH.INDEX,1,BYTE,Index of number of wavelength pairs considered for the AEROSOL.ANGSTROM.EXPONENT calculation,x
+2,AEROSOL.ANGSTROM.EXPONENT_WAVELENGTH.PAIR,AEROSOL.ANGSTROM.EXPONENT_WAVELENGTH.INDEX;INDEPENDENT,nm,REAL,Boundaries of the range of wavelengths used for the calculation of AEROSOL.ANGSTROM.EXPONENT. The algorithm uses all wavelengths listed in WAVELENGTH variable, comprised in this range,x
+2,AEROSOL.ANGSTROM.EXPONENT,DATETIME;AEROSOL.ANGSTROM.EXPONENT_WAVELENGTH.INDEX,1,REAL,Aerosol Angstrom exponent retrieved using the wavelengths range specified by the variable AEROSOL.ANGSTROM.EXPONENT_WAVELENGTH.PAIR,x
 2.SOURCE.PRODUCT,INDEPENDENT,[empty],STRING,Information relevant to the source history of the Metadata and Data,o
\ No newline at end of file