diff --git a/docs/installation.md b/docs/installation.md
index a4f1ed8..432b703 100644
--- a/docs/installation.md
+++ b/docs/installation.md
@@ -17,7 +17,7 @@ $ docker run -p 80:80 -v /var/gotify/data:/app/data ghcr.io/gotify/server
 
 There are also specific docker images for other architectures:
 
-- `gotify/server-arm7` / `ghcr.io/gotify/server-arm7`: for arm-7 processors (raspberry pi)
+- `gotify/server-arm7` / `ghcr.io/gotify/server-arm7`: for arm-7 processors (raspberry pi 4 and below)
 - `gotify/server-arm64` / `ghcr.io/gotify/server-arm64`: for arm-64 processors
 
 `/app/data` contains the database file (if sqlite is used), images for applications and cert-files (if lets encrypt is enabled).