diff --git a/README.md b/README.md
index 308213a17f..9a410529e1 100644
--- a/README.md
+++ b/README.md
@@ -108,8 +108,8 @@ You can configure the app by copying `config.sample.json` to
    when a valid location has been entered so it's not necessary for this to be
    exactly correct. Optional.
 1. `update_base_url` (electron app only): HTTPS URL to a web server to download
-   updates from. This should be the path to the directory containing `install`
-   and `update`.
+   updates from. This should be the path to the directory containing `macos`
+   and `win32` (for update packages, not installer packages).
 1. `cross_origin_renderer_url`: URL to a static HTML page hosting code to help display
    encrypted file attachments. This MUST be hosted on a completely separate domain to
    anything else since it is used to isolate the privileges of file attachments to this
diff --git a/electron/riot.im/config.json b/electron/riot.im/config.json
index 8ed2a3e8bb..e129e5bfb5 100644
--- a/electron/riot.im/config.json
+++ b/electron/riot.im/config.json
@@ -1,5 +1,5 @@
 {
-    "update_base_url": "https://riot.im/download/desktop/",
+    "update_base_url": "https://riot.im/download/desktop/update/",
     "default_hs_url": "https://matrix.org",
     "default_is_url": "https://vector.im",
     "brand": "Riot",