fixed functor-frames

README.md

@@ -37,6 +37,7 @@ $ make python-env
 $ make python-env-install
 
 # run the code
+# beforehand, set the data files in Makefile
 $ make fill-database
 ```
 
@@ -49,7 +50,10 @@ Relies heavily on the database. Set that up first.
 $ make python-env
 
 # development:
-$ make backend-dev-init  # run the first time, to prepare the db, then kill
+# run the first time, to prepare the db, then kill
+# it runs a few minutes, there should be a new collection in the db when finished
+$ make backend-dev-init  
+
 $ make backend-dev  # debug with this one
 
 # production