diff --git a/README.md b/README.md
index 69461a2..f929284 100644
--- a/README.md
+++ b/README.md
@@ -23,7 +23,7 @@ See the table below for the environment variable name, the configuration file pa
 
 | Variable Name | File Path           | Default Value | Description |
 | :------------ | :------------------ | :------------ | :---------- |
-| OWL_VSTP_ON   | /owl/conf/vstp/on   | on            | Enable/Disable VSTP Updates ^1^ |
+| OWL_VSTP_ON   | /owl/conf/vstp/on   | on    | Enable/Disable VSTP Updates <sup>1</sup> |
 | OWL_NROD_USER | /owl/conf/nrod/user |               | Network Rail NROD Username |
 | OWL_NROD_PASS | /owl/conf/nrod/pass |               | Network Rail NROD Password |
 | OWL_DB_HOST   | /owl/conf/db/host   | localhost     | MongoDB Host |
@@ -31,4 +31,4 @@ See the table below for the environment variable name, the configuration file pa
 | OWL_DB_USER   | /owl/conf/db/user   |               | MongoDB Username |
 | OWL_DB_PASS   | /owl/conf/db/pass   |               | MondoDB Password |
 
-^1^ Set to 'off' to disable VSTP Updates.  Useful in testing as you cannot have two clients connected.
\ No newline at end of file
+<sup>1</sup> Set to 'off' to disable VSTP Updates.  Useful in testing as you cannot have two clients connected.
\ No newline at end of file