Tweak last commit.

diff --git a/lib/localename.h b/lib/localename.h
index fddd9fe9120f925ffd4e550d0fa9bb684f892513..312a7936a322a90026804ab4aa818ab2b84b1a6a 100644 (file)
--- a/lib/localename.h
+++ b/lib/localename.h
@@ -54,6 +54,8 @@ extern const char * gl_locale_name_posix (int category, const char *categoryname
 
 /* Determine the default locale's name, as specified by environment
    variables.
+   Return the locale category's name, or NULL if no locale has been specified
+   by environment variables.
    The result must not be freed; it is statically allocated.  */
 extern const char * gl_locale_name_environ (int category, const char *categoryname);