add underscore to standard name sea_surface_sality and add unit PSS-78 in comment

@tsg_nc/tsg_ncvar.csv

@@ -36,13 +36,13 @@ char;char;cell;char;char;char;char;char;double;double;char;double;double;char;do
 #;SSJT_ADJUSTED_ERROR;'DAYD';float;ERROR ON ADJUSTED WATER JACKET TEMPERATURE;;degree_Celsius;;-1.5;38;%6.3lf;99999;;;0.001;;;DAYD;#
 #;SSJT_ADJUSTED_QC;'DAYD';byte;WATER JACKET TEMPERATURE QUALITY FLAG;;;;0;9;%1d;;;;;Quality flag applied on adjusted SSJT;0;DAYD;#
 #;SSJT_ADJUSTED_HIST;'STRING256';char;ADJUSTED WATER JACKET TEMPERATURE PROCESSING HISTORY;;;;;;;;;;;Water jacket temperature inside TSG adjusted processing history;;;#
-#;SSPS;'DAYD';float;SEA SURFACE SALINITY ;sea surface salinity;P.S.S.78;;0;40;%6.3lf;99999;;;0.001;Ocean salinity deduced from conductivity and water jacket temperature;;DAYD;#
+#;SSPS;'DAYD';float;SEA SURFACE SALINITY ;sea_surface_salinity;;;0;40;%6.3lf;99999;;;0.001;Ocean salinity deduced from conductivity and water jacket temperature, unit Pratical Salinity Scale PSS-78;;DAYD;#
 #;SSPS_QC;'DAYD';byte;SEA SURFACE SALINITY QUALITY FLAG;;;;0;9;%1d;;;;;Quality flag applied on salinity values;0;DAYD;#
-#;SSPS_CAL;'DAYD';float;SEA SURFACE SALINITY CALIBRATED;;;;0;40;%6.3lf;99999;;;;sea surface calibrated Ocean salinity deduced fron conductivity and jacket tsg temperature;;DAYD;#
-#;SSPS_ADJUSTED;'DAYD';float;SEA SURFACE SALINITY ADJUSTED;;;;0;40;%6.3lf;99999;;;0.001;sea surface adjusted Ocean salinity deduced fron conductivity and jacket tsg temperature;;DAYD;#
+#;SSPS_CAL;'DAYD';float;SEA SURFACE SALINITY CALIBRATED;;;;0;40;%6.3lf;99999;;;;Sea surface calibrated Ocean salinity deduced fron conductivity and jacket tsg temperature, unit Pratical Salinity Scale PSS-78;;DAYD;#
+#;SSPS_ADJUSTED;'DAYD';float;SEA SURFACE SALINITY ADJUSTED;;;;0;40;%6.3lf;99999;;;0.001;Sea surface adjusted Ocean salinity deduced fron conductivity and jacket tsg temperature, unit Pratical Salinity Scale PSS-78;;DAYD;#
 #;SSPS_ADJUSTED_ERROR;'DAYD';float;ERROR ON SEA SURFACE SALINITY ADJUSTED;;;;0;40;%6.3lf;99999;;;;Error on adjusted sea surface salinity deduced fron conductivity and jacket tsg temperature;;DAYD;#
 #;SSPS_ADJUSTED_QC;'DAYD';byte;ERROR ON SEA SURFACE SALINITY ADJUSTED QUALITY FLAG;;;;0;9;%1d;;;;;Quality flag applied on adjusted Ocean salinity deduced fron conductivity and jacket tsg temperature;0;DAYD;#
-#;SSPS_ADJUSTED_HIST;'STRING256';char;ADJUSTED SEA SURFACE SALINITY PROCESSING HISTORY;;;;;;;;;;;sea surface salinity adjusted processing history;;;#
+#;SSPS_ADJUSTED_HIST;'STRING256';char;ADJUSTED SEA SURFACE SALINITY PROCESSING HISTORY;;;;;;;;;;;Sea surface salinity adjusted processing history;;;#
 #;SSPS_DEPH;'N1';float;NOMINAL DEPTH OF WATER INTAKE FOR SALINITY MEASUREMENT;;meter;;0;100;%6.3lf;99999;;;;;;;#
 #;SSPS_DEPH_MIN;'N1';float;MINIMUM DEPTH OF WATER INTAKE FOR SALINITY MEASUREMENT;;meter;;0;100;%6.3lf;99999;;;;;;;#
 #;SSPS_DEPH_MAX;'N1';float;MAXIMUM DEPTH OF WATER INTAKE FOR SALINITY MEASUREMENT;;meter;;0;100;%6.3lf;99999;;;;;;;#