In the JIPA article ‘Proposal for superscript diacritics for prenasalization, preglottalization and preaspiration’, Figure 1 includes a typo. The diacritics for Advanced Tongue Root and Retracted Tongue Root were confused. (This error is not relevant for the content of the paper.) The correct figure is as follows:
![](https://static.cambridge.org/binary/version/id/urn:cambridge.org:id:binary:20211206110348639-0626:S0025100319000240:S0025100319000240_fig1.png?pub-status=live)
Figure 1 Proposed changes to IPA Diacritics chart.