diff --git a/docs/docs/installation/otp_en.md b/docs/docs/installation/otp_en.md
index 058040e19..2a9735f3c 100644
--- a/docs/docs/installation/otp_en.md
+++ b/docs/docs/installation/otp_en.md
@@ -19,12 +19,16 @@ This is a little more complex than it used to be (thanks ubuntu)
 
 Use the following mapping to figure out your flavour:
 
-| distribution  | flavour            | available branches  |
-| ------------- | ------------------ | ------------------- |
-| debian stable | amd64              | develop, stable     |
-| ubuntu focal  | amd64              | develop, stable     |
-| ubuntu jammy  | amd64-ubuntu-jammy | develop, stable     |
-| alpine        | amd64-musl         | stable              |
+| distribution    | architecture       | flavour             | available branches  |
+| --------------- | ------------------ | ------------------- | ------------------- |
+| debian bullseye | amd64              | amd64               | develop, stable     |
+| debian bullseye | arm64              | arm64               | develop, stable     |
+| ubuntu focal    | amd64              | amd64               | develop, stable     |
+| ubuntu focal    | arm64              | arm64               | develop, stable     |
+| ubuntu jammy    | amd64              | amd64-ubuntu-jammy  | develop, stable     |
+| ubuntu jammy    | arm64              | arm64-ubuntu-jammy  | develop, stable     |
+| alpine          | amd64              | amd64-musl          | stable              |
+| alpine          | arm64              | arm64-musl          | stable              |
 
 Other similar distributions will _probably_ work, but if it is not listed above, there is no official
 support.