diff --git a/docs/notes/Notes_Development.md b/docs/notes/Notes_v0.2.3.md
similarity index 96%
rename from docs/notes/Notes_Development.md
rename to docs/notes/Notes_v0.2.3.md
index e051be918..3ec3d7611 100644
--- a/docs/notes/Notes_Development.md
+++ b/docs/notes/Notes_v0.2.3.md
@@ -1,4 +1,4 @@
-# Development
+# v0.2.3
 
 1. Experiment with relaxed clock parameters.
     - slack: 0.1 # Better