updates the release notes

Author: hneemann

distribution/ReleaseNotes.txt

@@ -4,6 +4,7 @@ HEAD, planned as v0.29
 - Allows loading byte base files in big-endian format.
 - Added some more DIL chips
 - Tunnel now shows signal state
+- Fixes tutorial dialog positioning issue
 - Fixed some issues with 7489 and 74189
 - Fixed a bug in the LUT component that caused difficulties
   when generic code was executed.