Apply suggestions from code review

editorial, notes

Author: amilan17

GRIB2_CodeFlag_4_2_0_15_CodeTable_en.csv

@@ -4,7 +4,7 @@ Parameter number by product discipline and parameter category,"Product disciplin
 Parameter number by product discipline and parameter category,"Product discipline 0 - Meteorological products, parameter category 15: radar",2,,Base radial velocity,,,m/s,Operational
 Parameter number by product discipline and parameter category,"Product discipline 0 - Meteorological products, parameter category 15: radar",3,,Vertically integrated liquid water (VIL),,,kg m-2,Operational
 Parameter number by product discipline and parameter category,"Product discipline 0 - Meteorological products, parameter category 15: radar",4,,Layer-maximum base reflectivity,,,dB,Operational
-Parameter number by product discipline and parameter category,"Product discipline 0 - Meteorological products, parameter category 15: radar",5,,Precipitation,(see Note),2,kg m-2,Deprecated
+Parameter number by product discipline and parameter category,"Product discipline 0 - Meteorological products, parameter category 15: radar",5,,Precipitation,(see Note 1),2,kg m-2,Deprecated
 Parameter number by product discipline and parameter category,"Product discipline 0 - Meteorological products, parameter category 15: radar",6,,Radar spectra (1),,,-,Operational
 Parameter number by product discipline and parameter category,"Product discipline 0 - Meteorological products, parameter category 15: radar",7,,Radar spectra (2),,,-,Operational
 Parameter number by product discipline and parameter category,"Product discipline 0 - Meteorological products, parameter category 15: radar",8,,Radar spectra (3),,,-,Operational
@@ -17,7 +17,7 @@ Parameter number by product discipline and parameter category,"Product disciplin
 Parameter number by product discipline and parameter category,"Product discipline 0 - Meteorological products, parameter category 15: radar",15,,Hybrid scan reflectivity,,,dB,Operational
 Parameter number by product discipline and parameter category,"Product discipline 0 - Meteorological products, parameter category 15: radar",16,,Hybrid scan reflectivity height,,,m,Operational
 Parameter number by product discipline and parameter category,"Product discipline 0 - Meteorological products, parameter category 15: radar",17,,Precipitation rate,,,kg m-2 s-1,Operational
-Parameter number by product discipline and parameter category,"Product discipline 0 - Meteorological products, parameter category 15: radar",18,,Radar data quality index,(see Note 1),287a,proportion,Operational
+Parameter number by product discipline and parameter category,"Product discipline 0 - Meteorological products, parameter category 15: radar",18,,Radar data quality index,(see Note 2),287a,proportion,Operational
 Parameter number by product discipline and parameter category,"Product discipline 0 - Meteorological products, parameter category 15: radar",19,,Radar data quality flag,,,Code Table 4.106,Operational
 Parameter number by product discipline and parameter category,"Product discipline 0 - Meteorological products, parameter category 15: radar",20-191,,Reserved,,,,Operational
 Parameter number by product discipline and parameter category,"Product discipline 0 - Meteorological products, parameter category 15: radar",192-254,,Reserved for local use,,,,Operational