diff --git a/man3/nl_langinfo.3 b/man3/nl_langinfo.3
index e37f07b..63de5c2 100644
--- a/man3/nl_langinfo.3
+++ b/man3/nl_langinfo.3
@@ -167,6 +167,12 @@ or
 .PP
 POSIX specifies that the application may not modify
 the string returned by these functions.
+.PP
+Codeset for en_US defaults to ISO-8859-1 (Latin-1).
+The Latin-1 default has historical reasons,
+since all Unix systems originally used only 8-bit character encoding.
+For more information about ISO-8859-1 see
+.BR charsets (7).
 .SH ATTRIBUTES
 For an explanation of the terms used in this section, see
 .BR attributes (7).
diff --git a/man7/charsets.7 b/man7/charsets.7
index 5f91784..9de88fe 100644
--- a/man7/charsets.7
+++ b/man7/charsets.7
@@ -29,6 +29,8 @@ ASCII, GB 2312, ISO 8859, JIS, KOI8-R, KS, and Unicode.
 The primary emphasis is on character sets that were actually used by
 locale character sets, not the myriad others that could be found in data
 from other systems.
+.LP
+The recommended encoding in all settings and locales is UTF-8.
 .SS ASCII
 ASCII (American Standard Code For Information Interchange) is the original
 7-bit character set, originally designed for American English.