Adapt file README to incorporate review suggestions

* Adapt file README to make it more readable.
* Put text into bullet point list.
* Fix grammar mistake.

README.md

@@ -109,7 +109,7 @@ Please put your analysis scripts into a sub-folder called _scripts_.
 The preprocessing script _preprocess.py_ is expected in the root folder of the
 project.
 Make sure that the file _meta.yml_ is put into sub-folder _metadata_.
-Finally, copy the CSV data file of your survey into a central location like a
+Finally, copy the CSV data file of your survey to a central location like a
 _data_ sub-folder and tell the program the path to that data file on the
 command line when running the survey analysis.
 
@@ -215,31 +215,29 @@ SCRIPT_FOLDER: scripts
 SCRIPT_NAMES: []
 ```
 
-First, you need to specify the name of the _id_ column in the CSV data file.
-
-Second, each analysis needs metadata about the questions asked in the
-survey and answers that participants may give.
-This metadata file is by default located in a folder called _metadata_
-and named _meta.yml_.
-
-Third, you may specify the output folder which is named _output_ by default.
-
-Fourth, you may prefer a specific output format like _PDF_, _PNG_, _SVG_ or 
-_SCREEN_.
-The default value is _SCREEN_.
-Note: Be aware that other output formats like text or markdown files may be 
-created, which depends largely upon the implementation of the analysis scripts.
-
-Fifth, you might want to tell the program where to find the preprocessing file
-_preprocess.py_ that preprocesses and filters your survey data according to
-specific rules.
-
-Sixth, you may specify the folder which contains the analysis scripts, which
-is the _scripts_ folder by default.
-
-Finally, you may select a subset of the analysis scripts available as a list
-that ought to be executed.
-This list is empty by default, which means, all scripts are executed.
+- With `ID_COLUMN_NAME` you may want to specify the name of the _id_ column in
+  the CSV data file.
+- Each analysis needs metadata about the questions asked in the survey and
+  answers that participants may give.
+  Setting `METADATA` specifies the location of the Metadata file which is by
+  default located in a folder called _metadata_ and named _meta.yml_.
+- You may specify the output folder by setting `OUTPUT_FOLDER` which is named
+  _output_ by default.
+- You may prefer a specific output format like _PDF_, _PNG_, _SVG_ or
+  _SCREEN_ which you may select via `OUTPUT_FORMAT`.
+  The default value is _SCREEN_.
+  Note: Be aware that other output formats like text or markdown files may be
+  created, which depends largely upon the implementation of the analysis
+  scripts.
+- You might want to tell the program where to find the preprocessing file
+  _preprocess.py_ that preprocesses and filters your survey data according to 
+  specific rules.
+  You can do so by setting `PREPROCESSING_FILENAME`.
+- You may specify the folder which contains the analysis scripts with setting
+  `SCRIPT_FOLDER`, which is the _scripts_ folder by default.
+- With `SCRIPT_NAMES` you may select a subset of the analysis scripts available
+  as a list that ought to be executed.
+  This list is empty by default, which means, all scripts are executed.
 
 Additional to the configuration file there are two more files created:
 
@@ -338,4 +336,4 @@ This work is licensed under the following license(s):
 
 Please see the individual files for more accurate information.
 
-> **Hint:** We provided the copyright and license information in accordance to the [REUSE Specification 3.0](https://reuse.software/spec/).
\ No newline at end of file
+> **Hint:** We provided the copyright and license information in accordance to the [REUSE Specification 3.0](https://reuse.software/spec/).