Update README.md

Author: JorjMcKie

README.md

@@ -34,6 +34,8 @@ For all supported document types (i.e. **_including images_**) you can
 
 **PDF documents** can be created, joined or split up. Pages can be inserted, deleted, re-arranged or modified in many ways (including annotations and form fields).
 
+* For PDFs, text may not only be extracted, but can also be **_inserted_** in many ways.
+    > Starting with v1.17.6, a handy script becomes available, allowing **_selective font replacement_** for existing documents, see [this](https://github.com/pymupdf/PyMuPDF-Utilities/tree/master/font-replacement) repository.
 * Images and fonts can be extracted or inserted.
     > You may want to have a look at [this](https://github.com/pymupdf/PyMuPDF-Utilities/blob/master/examples/image-maintenance.py) cool new GUI example script, which lets you insert, delete, replace or re-position images under your visual control.
 * Embedded files are fully supported.