diff --git a/README.Rmd b/README.Rmd
index aecb0a8..c0e1180 100644
--- a/README.Rmd
+++ b/README.Rmd
@@ -558,7 +558,7 @@
 
 ## Bibliography and Appendix Slides
 
-When you cite with `[@key]` and set a `bibliography:` in the yaml header, the references are formatted with the bundled IDS citation style by default (based on the style developed for ICLC-10 2023 in Mannheim). To use a different style, specify it as usual with `csl:` in the yaml header.
+When you cite with `[@key]` and set a `bibliography:` in the yaml header, the references are formatted with the bundled IDS citation style by default (based on the style developed for ICLC-10 2023 in Mannheim). To use a different style, specify it as usual with `csl:` in the yaml header. The `ids` theme auto-fits the references slide: it tries decreasing font sizes and, when the bibliography is too long even for the smallest, moves trailing entries onto automatically created "References (cont.)" slides. When printing to PDF, the on-screen scroll box is disabled so long bibliographies flow across pages instead of being clipped.
 
 Pandoc/citeproc generates the reference list **at the very end of the document body**. That is fine when the references are your last content: