diff --git a/tools/merge b/tools/merge
index b69f053..0ddc118 100755
--- a/tools/merge
+++ b/tools/merge
@@ -77,7 +77,7 @@ def main():
         data.append(yml_data)
 
     # Dump everything to json
-    print(json.dumps(data))
+    print(json.dumps(data, indent=4))
 
 
 if __name__ == "__main__":