[PATCH] doc: reference COPYING from README

[Pádraig Brady]

* README: Reference COPYING as per the GNU coding standards,
and soon to be enforced with a syntax-check from gnulib.
---
 README | 1 +
 1 file changed, 1 insertion(+)

diff --git a/README b/README
index 363155a37..ef850436b 100644
--- a/README
+++ b/README
@@ -127,6 +127,7 @@ https://www.gnu.org/prep/standards/
 For any copyright year range specified as YYYY-ZZZZ in this package
 note that the range specifies every single year in that closed interval.
 
+Please see the file COPYING for copying conditions.
 
 ========================================================================
 
-- 
2.40.1