diff --git a/README.md b/README.md
index ef732ad84..4de7c3b90 100644
--- a/README.md
+++ b/README.md
@@ -154,6 +154,11 @@ ipfs files that will persist when you restart the container.
 
     export ipfs_staging=</absolute/path/to/somewhere/>
     export ipfs_data=</absolute/path/to/somewhere_else/>
+    
+Make sure docker can access these folders:
+
+    sudo chmod -R 777 /absolute/path/to/somewhere/
+    sudo chmod -R 777 /absolute/path/to/somewhere_else/
 
 Start a container running ipfs and expose ports 4001, 5001 and 8080: