small fixes

Author: LisaBock

_episodes/03-configuration.md

@@ -302,7 +302,7 @@ look like this:
 >>
 >> - Are you working on your own local machine?
 >>   You need to copy teh `data-local-esmvaltool.yml` into your config directory 
->>   and add the root path of the folder where the data is available (<your_climate_data_dir>) as:
+>>   and add the root path of the folder where the data is available (e.g., ``<your_climate_data_dir>``) as:
 >>
 >>```yaml
 >>   projects: