docs: update repo url

README.md

@@ -172,7 +172,7 @@ produced netcdf files as global attributes.
 
 - Harmonize the parameters of certain variables that differ on their time frequencies.
 - Sort out the standard naming of certain variables (column `CFNAME` and `CFNAME_ANGELIKA`)
-at the csv file, e.g. [flux variables(https://swift.dkrz.de/v1/dkrz_d0859f7c-0da8-41c7-824d-58b3765f5ec4/general_share/fluxes_comparison.html).]
+at the csv file, e.g. [flux variables](https://swift.dkrz.de/v1/dkrz_d0859f7c-0da8-41c7-824d-58b3765f5ec4/general_share/fluxes_comparison.html).]
 - Sort out the CV of ERA5 based on OBS4MIPs, e.g. required global attributes:
     ```json
     {