diff --git a/gnu/packages/gcc.scm b/gnu/packages/gcc.scm
index 8804f3b12a326f5a5ff796e5f2e4892fe7d0ff59..c368b7df971d0bffb38b9e595f97f10d2dd4a473 100644
--- a/gnu/packages/gcc.scm
+++ b/gnu/packages/gcc.scm
@@ -313,6 +313,10 @@ (define-public gcc-4.8
               (sha256
                (base32
                 "15c6gwm6dzsaagamxkak5smdkf1rdfbqqjs9jdbrp3lbg4ism02a"))
+
+              ;; ARM 'link' spec issue reported at
+              ;; <https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65711> and
+              ;; <https://gcc.gnu.org/ml/gcc-patches/2015-04/msg01387.html>.
               (patches (list (search-patch "gcc-arm-link-spec-fix.patch")))))))
 
 (define-public gcc-4.9