Update README.md

README.md

@@ -123,7 +123,8 @@ Since the Docker container does not see the file system of the computer it is ru
 Running the converter app to write the ModelCIF file into a separated directory  `modelcif` for model of rank 1 looks like this:
 
 ```terminal
-$ docker run --rm -v /<PROJECTS PARENT DIR>:/data registry.scicore.unibas.ch/schwede/ma-wilkins-import/converter:latest translate2modelcif --rank 1 --out_dir modelcif /data/<UniProtKB AC>-<UniProtKB AC>
+$ mkdir /<PROJECTS PARENT DIR>/modelcif
+$ docker run --rm -v /<PROJECTS PARENT DIR>:/data registry.scicore.unibas.ch/schwede/ma-wilkins-import/converter:latest translate2modelcif --rank 1 --out_dir /data/modelcif /data/<UniProtKB AC>-<UniProtKB AC>
 Let's go to the CIF site of life!
 Working on <UniProtKB AC>-<UniProtKB AC>...
   translating <UniProtKB AC>-<UniProtKB AC>_unrelaxed_rank_1_model_1.pdb...