Update README.md

README.md

@@ -16,6 +16,8 @@ This is a web-based interactive tool designed specifically for exploring Named E
 
 ## Overview
 This NER Explorer Tool is an educational and exploratory interface to enable users to 'play' with different NER models and approaches. It was created in an effort to make the Natural Language Processing (NLP) approach more accessible to Digital Humanities (DH), Galleries, Libraries, Archives and Museums (GLAM) professionals, volunteers and researchers - who might otherwise not have the means or opportunity to explore what they can do with NER.
+Simply copy in some text you would like to test the models on or click examples provided if you don't have/wish to use your own text.
+
 
 ## Why this tool?
 During our short exploratory research project on keyword extraction from crowdsourced collections, we found that NER has real potential for enhancing search and discovery in digital archives while allowing records to 'speak for themselves'.
@@ -38,7 +40,7 @@ We also wanted to raise awareness of the existence of zero-shot NER models (e.g.
 
 ## Important
 Please note this tool is designed for exploration and education purposes. 
-This tool is not designed or recommended for production use with very long text, large collections or sensitive materials. In those cases, if working with these NER models in other environments, additional testing, validation, and ethical review are strongly recommended.
+This tool is not designed or recommended for production use with very long text (e.g. more than 5,000 characters), large collections or sensitive materials. In those cases, if working with these NER models in other environments, additional testing, validation, and ethical review are strongly recommended.
 
 
 If you have any questions about this tool please email: catherine.conisbee@bodleian.ox.ac.uk