diff --git a/glib/gmain.c b/glib/gmain.c
index cae6e4828..675ff3886 100644
--- a/glib/gmain.c
+++ b/glib/gmain.c
@@ -5618,7 +5618,7 @@ g_unix_signal_handler (int signum)
  * * the application must not wait for @pid to exit by any other
  *   mechanism, including `waitpid(pid, ...)` or a second child-watch
  *   source for the same @pid
- * * the application must not ignore SIGCHILD
+ * * the application must not ignore `SIGCHLD`
  *
  * If any of those conditions are not met, this and related APIs will
  * not work correctly. This can often be diagnosed via a GLib warning