diff --git a/GRIB2_CodeFlag_4_248_CodeTable_en.csv b/GRIB2_CodeFlag_4_248_CodeTable_en.csv
index 65645b2..386f53d 100644
--- a/GRIB2_CodeFlag_4_248_CodeTable_en.csv
+++ b/GRIB2_CodeFlag_4_248_CodeTable_en.csv
@@ -1,6 +1,6 @@
 Title_en,SubTitle_en,CodeFlag,Value,MeaningParameterDescription_en,Note_en,noteIDs,UnitComments_en,Status
-Method used to derive data values for a given local time,,0,,Nearest forecast or analysis time to specified local time,,,,
-Method used to derive data values for a given local time,,1,,Interpolated to be valid at the specified local time,,,,
+Method used to derive data values for a given local time,,0,,Nearest forecast or analysis time to specified local time,,,,Operational
+Method used to derive data values for a given local time,,1,,Interpolated to be valid at the specified local time,,,,Operational
 Method used to derive data values for a given local time,,2-191,,Reserved,,,,Operational
 Method used to derive data values for a given local time,,192-254,,Reserved for local use,,,,Operational
 Method used to derive data values for a given local time,,255,,Missing,,,,Operational