Update _episodes/02-installation.md

Co-authored-by: SarahAlidoost <[email protected]>

Author: rswamina

_episodes/02-installation.md

@@ -29,8 +29,8 @@ Before we begin, here are all the possible ways in which you can use ESMValTool
 depending on your level of expertise or involvement with ESMvalTool and 
 associated software such as GitHub and Conda.
 
- 1) If you have access to a server where ESMValTool is already installed 
- as a module, for e.g., the [CEDA JASMIN](https://help.jasmin.ac.uk/article/4955-community-software-esmvaltool) 
+1. If you have access to a server where ESMValTool is already installed
+as a module, for e.g., the [CEDA JASMIN](https://help.jasmin.ac.uk/article/4955-community-software-esmvaltool)
 server, you can simply load the module with the following:
  ```bash
  module load esmvaltool