model_map_generation.md

@@ -33,6 +33,6 @@ Options:
 
 ```
   
-  Link to [source]()
+Link to [source](https://git.embl.de/jakobi/LocScale/blob/master/prepare_locscale_input.py)
 [recommended procedure](model_map_generation_from_arbitrary_files)
 #### __PLEASE download the following [electron form factor table](electron_scattering.py) for use with pdb2map.py.__
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