fix off-by-one error (closes #21330)

diff --git a/Doc/howto/unicode.rst b/Doc/howto/unicode.rst
index 10dde016c33966822babd56e013bf5460289a390..297e87e091be04af7057ae739b9accf53b960210 100644 (file)
--- a/Doc/howto/unicode.rst
+++ b/Doc/howto/unicode.rst
@@ -49,7 +49,7 @@ another and managed to catch on.
 
 255 characters aren't very many.  For example, you can't fit both the accented
 characters used in Western Europe and the Cyrillic alphabet used for Russian
-into the 128-255 range because there are more than 127 such characters.
+into the 128-255 range because there are more than 128 such characters.
 
 You could write files using different codes (all your Russian files in a coding
 system called KOI8, all your French files in a different coding system called