1 files changed, 4 insertions, 1 deletions

diff --git a/coreutils/date.c b/coreutils/date.c
index d70957cf6..a1a004d45 100644
--- a/coreutils/date.c
+++ b/coreutils/date.c
@@ -250,7 +250,10 @@ int date_main(int argc UNUSED_PARAM, char **argv)
                 ts.tv_sec = statbuf.st_mtime;
 #if ENABLE_FEATURE_DATE_NANO
                 ts.tv_nsec = statbuf.st_mtim.tv_nsec;
-                /* some toolchains use .st_mtimensec instead of st_mtim.tv_nsec */
+                /* Some toolchains use .st_mtimensec instead of st_mtim.tv_nsec.
+                 * If you need #define SVID_SOURCE 1 to enable st_mtim.tv_nsec,
+                 * drop a mail to project mailing list please
+                 */
 #endif
         } else {
 #if ENABLE_FEATURE_DATE_NANO