All document icons should be earmarked on upper-right corner (upper-right corner folded inwards), so that they are instantly recognizable as documents (as opposed to applications or other types of files).
Instead of
we need
The earmark could even be a bit larger so as to be more clearly distinguishable even at smaller sizes.
This applies to all icons with this "upright rectangular box" shape.
All document icons should be earmarked on upper-right corner (upper-right corner folded inwards), so that they are instantly recognizable as documents (as opposed to applications or other types of files).
Instead of
we need
The earmark could even be a bit larger so as to be more clearly distinguishable even at smaller sizes.
This applies to all icons with this "upright rectangular box" shape.