diff --git a/docs/Manpage.md b/docs/Manpage.md
index 0746bea4f8..6476b27c5c 100644
--- a/docs/Manpage.md
+++ b/docs/Manpage.md
@@ -1938,7 +1938,7 @@ example, run `export HOMEBREW_NO_INSECURE_REDIRECT=1` rather than just
   *Default:* `native`.
 
 - `HOMEBREW_ARTIFACT_DOMAIN`
-  <br>Prefix all download URLs, including those for bottles, with this value. For example, `HOMEBREW_ARTIFACT_DOMAIN=http://localhost:8080` will cause a formula with the URL `https://example.com/foo.tar.gz` to instead download from `http://localhost:8080/example.com/foo.tar.gz`.
+  <br>Prefix all download URLs, including those for bottles, with this value. For example, `HOMEBREW_ARTIFACT_DOMAIN=http://localhost:8080` will cause a formula with the URL `https://example.com/foo.tar.gz` to instead download from `http://localhost:8080/https://example.com/foo.tar.gz`. Bottle URLs however, have their domain replaced with this prefix. This results in e.g. `https://ghcr.io/v2/homebrew/core/gettext/manifests/0.21` to instead be downloaded from `http://localhost:8080/v2/homebrew/core/gettext/manifests/0.21`
 
 - `HOMEBREW_AUTO_UPDATE_SECS`
   <br>Run `brew update` once every `HOMEBREW_AUTO_UPDATE_SECS` seconds before some commands, e.g. `brew install`, `brew upgrade` and `brew tap`. Alternatively, disable auto-update entirely with HOMEBREW_NO_AUTO_UPDATE.
diff --git a/manpages/brew.1 b/manpages/brew.1
index 096d9f2c72..a3f0c04b69 100644
--- a/manpages/brew.1
+++ b/manpages/brew.1
@@ -2745,7 +2745,7 @@ Linux only: Pass this value to a type name representing the compiler\'s \fB\-mar
 \fBHOMEBREW_ARTIFACT_DOMAIN\fR
 .
 .br
-Prefix all download URLs, including those for bottles, with this value\. For example, \fBHOMEBREW_ARTIFACT_DOMAIN=http://localhost:8080\fR will cause a formula with the URL \fBhttps://example\.com/foo\.tar\.gz\fR to instead download from \fBhttp://localhost:8080/example\.com/foo\.tar\.gz\fR\.
+Prefix all download URLs, including those for bottles, with this value\. For example, \fBHOMEBREW_ARTIFACT_DOMAIN=http://localhost:8080\fR will cause a formula with the URL \fBhttps://example\.com/foo\.tar\.gz\fR to instead download from \fBhttp://localhost:8080/https://example\.com/foo\.tar\.gz\fR\. Bottle URLs however, have their domain replaced with this prefix\. This results in e\.g\. \fBhttps://ghcr\.io/v2/homebrew/core/gettext/manifests/0\.21\fR to instead be downloaded from \fBhttp://localhost:8080/v2/homebrew/core/gettext/manifests/0\.21\fR
 .
 .TP
 \fBHOMEBREW_AUTO_UPDATE_SECS\fR