Merge pull request #429 from ESMValGroup/fix-other-typos-in-episode-3

Fix other typos in episode 3

Author: hb326

_episodes/03-configuration.md

@@ -223,8 +223,8 @@ directories where ESMValTool will look for input data of the specific project. T
 `dirname_template` setting describes the file structure for each project.
 
 If you are working on a HPC system, there are also several configurations 
-for popular HPC systems, e. g. JASMIN, DKRZ, ETH, and IPSL. To list the available example 
-files, run the command:
+for popular HPC systems available that you can use instead, e. g. JASMIN, DKRZ, 
+ETH, and IPSL. To list the available example files, run the command:
 
 ~~~bash
   esmvaltool config list data-hpc
@@ -246,7 +246,7 @@ copy the appropriate configuration file by running
 
 Additionally, it is necessary to configure
 [intake-esgf](https://intake-esgf.readthedocs.io/en/stable/configure.html).
-For this you need to copy the file `conf.yml` in the directory `~/.config/intake-esgf` and 
+For this you need to copy the file `conf.yml` (see below) into the directory `~/.config/intake-esgf` and 
 update the `local_cache` and `esg_dataroot` with your desired download directory in this intake-esgf 
 configuration file. The updated file should look like this:
 > ## conf.yml