typo in compose

andrewcstewart · andrewcstewart · commit 701abf02b67c · 2018-01-13T14:31:20.000-08:00
diff --git a/docker-compose.yml b/docker-compose.yml
@@ -3,6 +3,6 @@ services:
   notebook:
     image: jhudatascience/docker-notebook
     volumes:
-      - "PWD":/home/jovyan/work
+      - "$PWD":/home/jovyan/work
     ports:
       - 8888:8888
