Issue #8226: sys.setfilesystemencoding() raises a LookupError if the encoding
is unknown.
diff --git a/Misc/NEWS b/Misc/NEWS
index 0d316a0..8a63a22 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -12,6 +12,9 @@
 Core and Builtins
 -----------------
 
+- Issue #8226: sys.setfilesystemencoding() raises a LookupError if the encoding
+  is unknown
+
 - Issue #1583863: An str subclass can now override the __str__ method
 
 - Issue #8014: Setting a T_UINT or T_PYSSIZET attribute of an object with