d2s_spec_keyvalue_mapping.md

 # D2Sphere Key / Value Mapping Parser Specification
 
 ## Introduction
-Data sent by devices comes in as typeless key-value pairs.
+Devices send key-value data in the format described [here](https://git.falcom.de/pub/wiki/wikis/d2s_spec_sfal_dataframe).
+
+comes in as typeless key-value pairs.
 Visualization of these data in the frontend  
 
 ## Specification