OSDU-API-Quick-start-guide.md

@@ -89,7 +89,7 @@ You have several options to obtain `refresh_token`. But in all cases you need to
 - Copy-paste CLIENT_ID and CLIENT_SECRET into the environmental variables in Postman. Make sure you are updating both `INITIAL VALUE` and `CURRENT VALUE`
 ![Image 5. Updating CLIEND_ID and CLIENT_SECRET in the Postman environment variables](uploads/f984c539a3ade847147ad3872a171e7c/image009.png)
 
-#### Option1 (Simple): Obtaining `refresh_token` via Postman UI
+#### Option 1 (Simple): Obtaining `refresh_token` via Postman UI
 
 Refer to [Postman authentication guide](https://community.opengroup.org/osdu/platform/pre-shipping/-/blob/main/R3-M16/GCP-M16/Postman_Authentication_Guide.md).