Add note on biluo_tags_from_offsets helper
@@ -13,7 +13,9 @@ p
| that are part of an entity are set to the entity label, prefixed by the
| BILUO marker. For example #[code "B-ORG"] describes the first token of
| a multi-token #[code ORG] entity and #[code "U-PERSON"] a single
- | token representing a #[code PERSON] entity
+ | token representing a #[code PERSON] entity. The
+ | #[+api("goldparse#biluo_tags_from_offsets") #[code biluo_tags_from_offsets]]
+ | function can help you convert entity offsets to the right format.
+code("Example structure").
[{
