README.md, info on hieroglyphic codes beyond Unicode

README.md

@@ -63,7 +63,7 @@ The Saxon Academy of Sciences and Humanities in Leipzig is co-financed by the Sa
 <!-- This section describes suitable use cases for the dataset. -->
 
 This data set may be used
-- to create translators Egyptian hieroglyphs => Egyptological transliteration,
+- to train translation models Egyptian hieroglyphs => Egyptological transliteration,
 - to create lemmatizers Earlier Egyptian transliteration => [TLA lemma ID](https://thesaurus-linguae-aegyptiae.de/info/lemma-lists),
 - to train translation models Earlier Egyptian transliteration => German.
 
@@ -150,7 +150,10 @@ For a complete list of authors, see [https://thesaurus-linguae-aegyptiae.de/info
 
 The transliteration sometimes contains round brackets (`( )`), 
 which mark phonemes added by the editor without the addition being regarded as an incorrect omission. 
-For model training, the brackets, but not their content, may optionally be removed. 
+For model training, the brackets, but not their content, may optionally be removed.
+
+The hieroglyphs sometimes contain glyphs that are not yet part of Unicode (notably v15). 
+These are indicated by their [code in JSesh](https://doi.org/10.5281/zenodo.5849135), with additional [codes/signs generated by the TLA project](https://github.com/thesaurus-linguae-aegyptiae/tla-jsesh-glyphs) and marked by tags `<g>`...`</g>`.
 
 #### Who are the annotators?