diff --git a/README.markdown b/README.markdown
index ea055c6..7f8cb87 100644
--- a/README.markdown
+++ b/README.markdown
@@ -6,11 +6,13 @@ Working on improving the Cambridge University Spaceflight landing predictor, use
 
 The source for the prediction software itself is in pred_src and instructions for building it can be found there.  
 
-The `./preds` directory needs to have rwx access by the PHP interpreter and the `get_wind_data.py` python script.  
+The `predict/preds/` directory needs to have rwx access by the PHP interpreter and the `predict.py` python script. You will need to install the following python packages: pydap, numpy, json, simple-json.  
+
+Other than that, just clone this repo to a non web-accessible folder and create symlinks to the `predict/` and `hourly-predictions/` directorys in the repo.  
 
 ## Information
 
-A cronjob should be run to delete directories in the `preds` directory after a given number of days, perhaps 7 or 10.  
+A cronjob should be run to delete directories in the `preds/` directory after a given number of days, perhaps 7 or 10.  
 
 The directory names are UUIDs comprised of an SHA1 hash of the launch parameters, and re-running predictions will overwrite data in the existing directory, rather than create a new one.