diff --git a/conf/WUS/gridded/convert/README.txt b/conf/WUS/gridded/convert/README.txt
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+DO NOT USE THESE FILES FOR FORTRAN CALCULATIONS
+THEY EXIST ONLY TO FACILITATE CONVERSION
+
+The files in this directory have been consolidated from different focal-mech specific flavors of WUS grid inputs, or split from deep slab sources for different longitudinally distinct steps.
+
+Comments '1! have also been added where necessary
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