added prefix instruction for yaml

README.md

@@ -26,6 +26,7 @@
     - `cd cse5810_implementation`
 4. Create your conda environment using the included yaml file
     - `conda env create --file=hapi_fhir.yaml`
+    - You should first alter the `prefix: /home/frank/miniconda3/envs/hapi_fhir` part of the yaml file to reflect your particular conda environment. This will likely be `/home/$USER/miniconda3/envs/hapi_fhir`
 5. Activate the conda environment you just created
     - `conda activate hapi_fhir`
 6. Launch jupyter lab