diff --git a/Misc/NEWS b/Misc/NEWS
index 1bb4f6f..f388f11 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -12,10 +12,13 @@
 Core and Builtins
 -----------------
 
-- Issue 3774: Added a few more checks in PyTokenizer_FindEncoding to handle
+- Issue #3660: Corrected a reference leak in str.encode() when the encoder
+  does not return a bytes object.
+
+- Issue #3774: Added a few more checks in PyTokenizer_FindEncoding to handle
   error conditions.
 
-- Issue 3594: Fix Parser/tokenizer.c:fp_setreadl() to open the file being
+- Issue #3594: Fix Parser/tokenizer.c:fp_setreadl() to open the file being
   tokenized by either a file path or file pointer for the benefit of
   PyTokenizer_FindEncoding().