diff --git a/README.md b/README.md
index 96b5a8a8..84070920 100644
--- a/README.md
+++ b/README.md
@@ -60,7 +60,7 @@ Each release ships:
 
 - `forktty-0.2.0-alpha.21-x86_64.AppImage` — recommended portable Linux package.
 - `forktty-0.2.0-alpha.21-x86_64.AppImage.zsync` — AppImage delta-update metadata for external AppImage managers.
-- `forktty_0.2.0~alpha.21_amd64.deb` — Debian/Ubuntu package.
+- `forktty_0.2.0.alpha.21_amd64.deb` — Debian/Ubuntu package.
 - `SHA256SUMS` — checksums for release artifacts.
 
 After downloading, verify checksums:
@@ -106,9 +106,9 @@ Debian 12/Bookworm is below the package baseline because it does not provide
 libadwaita 1.4+.
 
 ```bash
-sudo apt install ./forktty_0.2.0~alpha.21_amd64.deb
+sudo apt install ./forktty_0.2.0.alpha.21_amd64.deb
 # or, if apt cannot read the file path directly:
-sudo dpkg -i forktty_0.2.0~alpha.21_amd64.deb
+sudo dpkg -i forktty_0.2.0.alpha.21_amd64.deb
 sudo apt -f install
 ```