diff --git a/nips/nn.md b/nips/09.md
similarity index 99%
rename from nips/nn.md
rename to nips/09.md
index 5bad304..ce4fd76 100644
--- a/nips/nn.md
+++ b/nips/09.md
@@ -1,4 +1,4 @@
-NIP-NN
+NIP-09
 ======
 
 Event Deletion