; * src/alloc.c (process_mark_stack): Fix commentary.

1 files changed, 3 insertions, 1 deletions

diff --git a/src/alloc.c b/src/alloc.c
index 2ffd2415447..6779d0ca9ce 100644
--- a/src/alloc.c
+++ b/src/alloc.c
@@ -7421,7 +7421,9 @@ process_mark_stack (ptrdiff_t base_sp)
                 /* If the value is forwarded to a buffer or keyboard field,
                    these are marked when we see the corresponding object.
                    And if it's forwarded to a C variable, either it's not
-                   a Lisp_Object var, or it's staticpro'd already.  */
+                   a Lisp_Object var, or it's staticpro'd already, or it's
+                   reachable from font_style_table which is also
+                   staticpro'd.  */
                 break;
               default: emacs_abort ();
               }