diff --git a/doc/src/sgml/charset.sgml b/doc/src/sgml/charset.sgml
index 300a0d83d4..46d19ae39d 100644
--- a/doc/src/sgml/charset.sgml
+++ b/doc/src/sgml/charset.sgml
@@ -842,7 +842,7 @@ CREATE COLLATION german (provider = libc, locale = 'de_DE');
subtag) can be found in
the CLDR
repository.
- The ICU Locale
+ The ICU Locale
Explorer can be used to check the details of a particular locale
definition. The examples using the k* subtags require
at least ICU version 54.