Update "seas" to "sea salt"

doc/UsersGuide/source/tables/fv3diagtable.csv

@@ -351,7 +351,7 @@ thompson_diag3d,Thompson extended diagnostics array
 fire_heat,Surface fire heat flux
 burned,Ratio of the burnt area to the grid cell area
 emdust,Emission of fine dust for smoke
-emseas,Emission of seas for smoke
+emseas,Emission of sea salt for smoke
 emanoc,Anthropogenic organic carbon (anoc) emission for Thompson microphysics
 coef_bb_dc,Coefficient bb for smoke
 min_fplume,Minimum smoke plume height