[nongnu] elpa/rust-mode 9812232 236/486: Document how to install on Debian

[ELPA Syncer]

branch: elpa/rust-mode
commit 981223247d95c86fcffb1ab3de955a7be38288d8
Author: Matt Kraai <kraai@ftbfs.org>
Commit: Matt Kraai <kraai@ftbfs.org>

    Document how to install on Debian
---
 README.md | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/README.md b/README.md
index 3c47a5b..5696250 100644
--- a/README.md
+++ b/README.md
@@ -60,6 +60,12 @@ the packages for you (under `~/.emacs.d/elpa/`).
 
 * or using <kbd>M-x package-install rust-mode</kbd>
 
+### Package installation on Debian testing or unstable
+
+```bash
+apt install elpa-rust-mode
+```
+
 ### Tests via ERT
 
 The file `rust-mode-tests.el` contains tests that can be run via