Lagrange [release]

Updated README: download locations

0e2c2a6563da18cd9b16b31e98d8aaaee5dc052d
diff --git a/README.md b/README.md
index 14fc31a6..1b43df5c 100644
--- a/README.md
+++ b/README.md
@@ -19,9 +19,9 @@ Like Gemini, Lagrange has been designed with minimalism in mind. It depends on a
 
 ## Downloads
 
-Prebuilt binaries for Windows, macOS and Linux can be found in [Releases][rel].
+Prebuilt binaries for Windows, macOS and Linux can be found in [Releases][rel]. You can also find [Lagrange on Flathub for Linux](https://flathub.org/apps/details/fi.skyjake.Lagrange).
 
-On macOS you can also install via a Homebrew tap:
+On macOS you can install and upgrade via a Homebrew tap:
 
 ```
 $ brew tap skyjake/lagrange