documentation: fixed link and reorganised ini description

vignettes/catsr.Rmd

@@ -73,7 +73,7 @@ When creating configurations, catsr currently only supports the hybrid parametri
 This limitation does not apply when external CATS configuration files are used to run CATS in catsr.
 
 ## Configuration parameter naming scheme
-CATS configuration files are (INI files)[https://en.wikipedia.org/wiki/INI_file]. INI files are human readable text files, structured into sections, which contain key-value pairs. They can be e.g. read and modified with the [ini package](https://cran.r-project.org/package=ini). 
+CATS configuration files are [INI files](https://en.wikipedia.org/wiki/INI_file). INI files are human readable text files, structured into sections, which contain key-value pairs. They can be e.g. read and modified with the [ini package](https://cran.r-project.org/package=ini). For a specification of the CATS configuration file format and a full list of available configuration parameters see the [CATS manual, sections Configuration files and Configuration parameters](https://cats.univie.ac.at/docs/cats-manual.pdf). 
 
 The name of a configuration parameter in catsr is in the form of ```section.key_name```, which would correspond
 to this entry in a configuration file
@@ -90,7 +90,7 @@ type = suitability
 interpolation interval = 10
 ```
 
-For a full list of available configuration parameters see the [CATS manual, sections Configuration files and Configuration parameters](https://cats.univie.ac.at/docs/cats-manual.pdf). 
+
 
 ## Running a CATS simulation
 Before you can run CATS, it needs to be installed first.