[range.refinements] Use 'customization point object' for ranges::data (#3993)

Author: NinaRanns

source/ranges.tex

@@ -1218,7 +1218,7 @@
 
 \pnum
 \libconcept{contiguous_range} additionally requires that
-the \tcode{ranges::data} customization point\iref{range.prim.data}
+the \tcode{ranges::data} customization point object\iref{range.prim.data}
 is usable with the range.
 
 \begin{itemdecl}