Ann: Trading Halt, page-9

It's just stating Cl 17 of the JORC Code which is a generic requirement to disclaim:

"....Among other things, it requires:“In any statement referring to potential quantity and grade of the target, these must be expressed as ranges and must include:
 a clarification statement within the same paragraph as the first reference of the Exploration Target in the Public Report, stating that the potential quantity and grade is conceptual in nature, that there has been insufficient exploration to estimate a Mineral Resource and that it is uncertain if further exploration will result in the estimation of a Mineral Resource."

Link - https://www.asx.com.au/documents/asx-compliance/mining-faq.pdf