diff --git a/content/shard/protocols.md b/content/shard/protocols.md
index 0d94deb..511931a 100644
--- a/content/shard/protocols.md
+++ b/content/shard/protocols.md
@@ -9,4 +9,5 @@ aggregation. They are abstractions on social processes which produce global
 artifacts, with traces back to the local.
 
 http://en.bp.ntu.edu.tw/wp-content/uploads/2011/12/06-Alexander-A-city-is-not-a-tree.pdf
+
 https://subconscious.substack.com/p/thinking-together