diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..c947846
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,4 @@
+*.pyc
+*.swp
+*.DS_Store
+
diff --git a/ECCOv4 Release 5/metadata/global_metadata_for_all_datasets.json b/ECCOv4 Release 5/metadata/global_metadata_for_all_datasets.json
index 67aaada..523b68a 100644
--- a/ECCOv4 Release 5/metadata/global_metadata_for_all_datasets.json	
+++ b/ECCOv4 Release 5/metadata/global_metadata_for_all_datasets.json	
@@ -164,7 +164,7 @@
    {
       "name": "license",
       "type": "s",
-      "value": "Public Domain"
+      "value": "CC BY 4.0"
    },
    {
       "name": "metadata_link",