diff --git a/Single-server-VictoriaMetrics.md b/Single-server-VictoriaMetrics.md
index e8e4408..8268e12 100644
--- a/Single-server-VictoriaMetrics.md
+++ b/Single-server-VictoriaMetrics.md
@@ -249,7 +249,9 @@ It is safe upgrading VictoriaMetrics to new versions unless [release notes](http
 say otherwise. It is recommended performing regular upgrades to the latest version,
 since it may contain important bug fixes, performance optimizations or new features.
 
-Follow the following steps during the upgrade:
+It is also safe downgrading to the previous version unless [release notes](https://github.com/VictoriaMetrics/VictoriaMetrics/releases) say otherwise.
+
+The following steps must be performed during the upgrade / downgrade:
 
 1) Send `SIGINT` signal to VictoriaMetrics process in order to gracefully stop it.
 2) Wait until the process stops. This can take a few seconds.
diff --git a/vmagent.md b/vmagent.md
index 6306a75..d17ce5c 100644
--- a/vmagent.md
+++ b/vmagent.md
@@ -274,6 +274,22 @@ by setting it via `<ROOT_IMAGE>` environment variable. For example, the followin
 ROOT_IMAGE=scratch make package-vmagent
 ```
 
+#### ARM build
+
+ARM build may run on Raspberry Pi or on [energy-efficient ARM servers](https://blog.cloudflare.com/arm-takes-wing/).
+
+#### Development ARM build
+
+1. [Install Go](https://golang.org/doc/install). The minimum supported version is Go 1.13.
+2. Run `make vmagent-arm` or `make vmagent-arm64` from the root folder of the repository.
+   It builds `vmagent-arm` or `vmagent-arm64` binary respectively and puts it into the `bin` folder.
+
+#### Production ARM build
+
+1. [Install docker](https://docs.docker.com/install/).
+2. Run `make vmagent-arm-prod` or `make vmagent-arm64-prod` from the root folder of the repository.
+   It builds `vmagent-arm-prod` or `vmagent-arm64-prod` binary respectively and puts it into the `bin` folder.
+
 
 ### Profiling
 
diff --git a/vmalert.md b/vmalert.md
index 88c85d8..0bd9d98 100644
--- a/vmalert.md
+++ b/vmalert.md
@@ -286,3 +286,20 @@ It is recommended using
 1. [Install docker](https://docs.docker.com/install/).
 2. Run `make vmalert-prod` from the root folder of the repository.
    It builds `vmalert-prod` binary and puts it into the `bin` folder.
+
+
+#### ARM build
+
+ARM build may run on Raspberry Pi or on [energy-efficient ARM servers](https://blog.cloudflare.com/arm-takes-wing/).
+
+#### Development ARM build
+
+1. [Install Go](https://golang.org/doc/install). The minimum supported version is Go 1.13.
+2. Run `make vmalert-arm` or `make vmalert-arm64` from the root folder of the repository.
+   It builds `vmalert-arm` or `vmalert-arm64` binary respectively and puts it into the `bin` folder.
+
+#### Production ARM build
+
+1. [Install docker](https://docs.docker.com/install/).
+2. Run `make vmalert-arm-prod` or `make vmalert-arm64-prod` from the root folder of the repository.
+   It builds `vmalert-arm-prod` or `vmalert-arm64-prod` binary respectively and puts it into the `bin` folder.