diff --git a/RELEASE_NOTES.md b/RELEASE_NOTES.md
index d8789abf4..a83093d50 100644
--- a/RELEASE_NOTES.md
+++ b/RELEASE_NOTES.md
@@ -1,7 +1,6 @@
 RELEASE NOTES
 
 **Version**: sprint49
-NOTE: Only works in Unity 2018.1
 
 NEW FEATURES
 
@@ -24,6 +23,10 @@ FIXES
 * FbxExporter: added validation functions for all context menu items
 * FbxExporter: link materials to objects connected to mesh instances
 
+KNOWN ISSUES
+
+* Requires Unity 2018.1.0
+
 **Version**: sprint48
 
 NEW FEATURES