diff --git a/man1/locale.1 b/man1/locale.1
index 1bd233ea7..19cf13e01 100644
--- a/man1/locale.1
+++ b/man1/locale.1
@@ -45,6 +45,8 @@ displays the current locale settings for each locale category (see
 based on the settings of the environment variables that control the locale
 (see
 .BR locale (7)).
+Values for variables set in the environment are printed without double 
+quotes, implied values are printed with double quotes.
 
 If either the
 .B \-a