--- a/mrjunejune/README.md	Mon Aug 03 18:30:45 2026 -0700
+++ b/mrjunejune/README.md	Mon Aug 03 20:20:06 2026 -0700
@@ -42,12 +42,9 @@
 ## LaTeX editor
 
 `/tools/latex_editor` sends source to the C server, which compiles it with the
-host's `/usr/bin/pdflatex` and returns the PDF directly to the browser. Install
-TeX Live on production hosts before deploying:
-
-```bash
-sudo apt-get install texlive-latex-base texlive-latex-recommended
-```
+offline Tectonic runtime from `//third_party/tectonic:runtime` and returns the
+PDF directly to the browser. Bazel pins the static compiler, prewarms common
+packages, and includes both in the server runfiles and release bundle.
 
 The compiler child uses restricted TeX file access, Linux Landlock, a seccomp
 network filter, and CPU, memory, file-size, process, and wall-clock limits.