diff --git a/doc/relnotes.md b/doc/relnotes.md
index 5be8b34c4..0765df0a6 100644
--- a/doc/relnotes.md
+++ b/doc/relnotes.md
@@ -222,6 +222,9 @@ Improvements
   roi with no investment transactions).
   [#2367]
 
+- When unicode/non-ascii text can't be decoded by the system locale's text encoding,
+  we now show a consistent informative error message explaining it. [#73]
+
 - Support GHC 9.12.
 
 Docs
diff --git a/hledger/CHANGES.md b/hledger/CHANGES.md
index 053b1d83e..021afbcbf 100644
--- a/hledger/CHANGES.md
+++ b/hledger/CHANGES.md
@@ -126,6 +126,9 @@ Docs
   roi with no investment transactions).
   [#2367]
 
+- When unicode/non-ascii text can't be decoded by the system locale's text encoding,
+  we now show a consistent informative error message explaining it. [#73]
+
 - Support GHC 9.12.
 
 ## Docs