-and END. Attributes specified by FACE take precedence over
-existing attributes. FACE must be a face name (a symbol or
-string), a property list of face attributes, or a list of these."
+and END in OBJECT (which defaults to the current buffer).
+Attributes specified by FACE take precedence over existing
+attributes unless BELOW is non-nil. FACE must be a face name (a
+symbol or string), a property list of face attributes, or a list
+of these. For convenience when applied to strings, this returns
+OBJECT."