diff --git a/glib/gutils.h b/glib/gutils.h
index 84c0f4f20..070f9cff5 100644
--- a/glib/gutils.h
+++ b/glib/gutils.h
@@ -78,7 +78,7 @@ GLIB_AVAILABLE_IN_ALL
 const gchar * const * g_get_system_data_dirs   (void);
 
 #ifdef G_OS_WIN32
-/* This functions is not part of the public GLib API */
+/* This function is not part of the public GLib API */
 GLIB_AVAILABLE_IN_ALL
 const gchar * const * g_win32_get_system_data_dirs_for_module (void (*address_of_function)(void));
 #endif