split additional data download and description link

decode_analysis/README.md

@@ -12,9 +12,9 @@ in [`run_analysis.sh`](run_analysis.sh).
 
 **Figures only:** If you are only interested in the downstream
 analysis and generation of all published figures, you just need to
-[download the
-`additionalData.zip`](https://drive.google.com/file/d/1uMiGDFmludOoBQpHWGX9CmXac2muMfKF/view?usp=drive_link)
-(step 3 below), and can directly use the R scripts called from
+[download](https://drive.google.com/file/d/1uMiGDFmludOoBQpHWGX9CmXac2muMfKF/view?usp=drive_link)
+the [`additionalData.zip`](#additionaldata) (step 3 below), and can
+directly use the R scripts called from
 [`run_analysis.sh`](run_analysis.sh) (step 5) in your favorite R
 environment; simply adjust the `proj.path` variable in
 [`raas_init.R`](raas_init.R), the directory where you unpacked