diff --git a/README.md b/README.md
index 0b1d463..a0e21b5 100644
--- a/README.md
+++ b/README.md
@@ -120,7 +120,7 @@ There are other environment variables if you want to customize various things in
 | `DHCP_rapid_commit` | `false` | `<"true"\|"false">` | Enable DHCPv4 rapid commit (fast address assignment).
 | `VIRTUAL_HOST` | `${HOSTNAME}` | `<Custom Hostname>` | What your web server 'virtual host' is, accessing admin through this Hostname/IP allows you to make changes to the whitelist / blacklists in addition to the default 'http://pi.hole/admin/' address
 | `IPv6` | `true` | `<"true"\|"false">` | For unraid compatibility, strips out all the IPv6 configuration from DNS/Web services when false.
-| `TEMPERATUREUNIT` | `c` | `<c\|k\|f>` | Set preferred temperature unit to `c`: Celsius, `k`: Kelvin, or `f` Fahrenheit units.
+| `TEMPERATUREUNIT` | `c` | `<c\|k\|f>` | Set preferred temperature unit to `c`: Celsius, `k`: Kelvin, or `f` Fahrenheit units.<br/> Note: This only affects chronometer and PADD. The web interface's temperature unit is set on a per-browser basis in the UI settings
 | `WEBUIBOXEDLAYOUT` | `boxed` | `<boxed\|traditional>` | Use boxed layout (helpful when working on large screens)
 | `QUERY_LOGGING` | `true` | `<"true"\|"false">` | Enable query logging or not.
 | `WEBTHEME` | `default-light` | `<"default-dark"\|"default-darker"\|"default-light"\|"default-auto"\|"lcars">`| User interface theme to use.