diff --git a/distribution/ReleaseNotes.txt b/distribution/ReleaseNotes.txt
index 48bcfcd1d..55f23c6b2 100644
--- a/distribution/ReleaseNotes.txt
+++ b/distribution/ReleaseNotes.txt
@@ -5,7 +5,9 @@ HEAD, planned as v0.26
 - Improved the layout of fsm transitions in the fsm editor.
 - Added French translation. Special thanks to Nicolas Maltais who
   provided the translation.
-- Added a "Not Connected" component, to output a constant high-z value.
+- Added a "Not Connected" component to output a constant high-z value.
+- If a high-z value is connected to a logic gate input, the read value
+  is undefined.
 - Fixed a bug in the Demuxer Verilog template that causes problems
   when using multiple demuxers in the same circuit.
 - Generic circuits are easier to debug: It is possible now to create