That doesn't mean it's obscure. It means it may be difficult to interpret.
It means its obscure:
Main Entry: 1ob·scure
Pronunciation: \Ă€b-ˈskyu̇r, əb-\
Function: adjective
Etymology: Middle English, from Anglo-French oscur, obscur, from Latin obscurus
Date: 15th century
1 a : dark, dim b : shrouded in or hidden by darkness c : not clearly seen or easily distinguished : faint <obscure markings>
2 : not readily understood or clearly expressed; also : mysterious
3 : relatively unknown: as a : remote, secluded <an obscure village> b : not prominent or famous <an obscure poet>
4 : constituting the unstressed vowel \ə\ or having unstressed \ə\ as its value
â ob·scure·ly adverb
â ob·scure·ness noun
synonyms obscure, dark, vague, enigmatic, cryptic, ambiguous, equivocal mean not clearly understandable.
obscure implies a hiding or veiling of meaning through some inadequacy of expression or withholding of full knowledge