diff --git a/README.md b/README.md
index 30858cf5c..6f94a58f3 100644
--- a/README.md
+++ b/README.md
@@ -79,7 +79,8 @@ Internationalization and Unicode Conference over the years:
 More presentations and papers are available on [behdad][11]'s website.
 In particular, the following _studies_ are relevant to HarfBuzz development:
 
-- 2025 – [CachingPaper][12]
+- 2025 – [Subsetting][21]
+- 2025 – [Caching][12]
 - 2025 – [`hb-decycler`][13]
 - 2022 – [`hb-iter`][14]
 - 2022 – [A C library written in C++][15]
@@ -133,3 +134,4 @@ transliterated using the Latin script. It also means "talkative" or
 [18]: https://docs.google.com/document/d/1wskYbA-czBt57oH9gEuGf3sWbTx7bfOiEIcDs36-heo/preview
 [19]: https://prezi.com/view/THNPJGFVDUCWoM20syev/
 [20]: https://behdad.org/doc/harfbuzz10years-slides.pdf
+[21]: https://docs.google.com/document/d/1_vZrt97OorJ0jA1YzJ29LRcGr3YGrNJANdOABjVZGEs/preview