diff --git a/instances.md b/instances.md
index 39d702b18..1c8b282b4 100644
--- a/instances.md
+++ b/instances.md
@@ -1,4 +1,4 @@
 
 | name | url | admin contact | open registration |
-| -- | -- | -- | -- |
+| :--- | :-- | :------------ | :---------------- |
 | bookwyrm.social | http://bookwyrm.social/ | mousereeve@riseup.net / @tripofmice@friend.camp | ❌ |