diff --git a/gio/gunixmounts.c b/gio/gunixmounts.c
index e357e427a..4c5ed6c73 100644
--- a/gio/gunixmounts.c
+++ b/gio/gunixmounts.c
@@ -1076,14 +1076,14 @@ get_mount_points_timestamp (void)
 
 /**
  * g_unix_mounts_get:
- * @time_read: guint64 to contain a timestamp.
- * 
- * Gets a #GList of strings containing the unix mounts. 
- * If @time_read is set, it will be filled with the mount 
- * timestamp, allowing for checking if the mounts have changed 
+ * @time_read: (allow-none): guint64 to contain a timestamp, or %NULL
+ *
+ * Gets a #GList of #GUnixMountEntry containing the unix mounts.
+ * If @time_read is set, it will be filled with the mount
+ * timestamp, allowing for checking if the mounts have changed
  * with g_unix_mounts_changed_since().
- * 
- * Returns: a #GList of the UNIX mounts. 
+ *
+ * Returns: a #GList of the UNIX mounts.
  **/
 GList *
 g_unix_mounts_get (guint64 *time_read)
@@ -1131,14 +1131,14 @@ g_unix_mount_at (const char *mount_path,
 
 /**
  * g_unix_mount_points_get:
- * @time_read: guint64 to contain a timestamp.
- * 
- * Gets a #GList of strings containing the unix mount points. 
+ * @time_read: (allow-none): guint64 to contain a timestamp.
+ *
+ * Gets a #GList of #GUnixMountPoint containing the unix mount points.
  * If @time_read is set, it will be filled with the mount timestamp,
- * allowing for checking if the mounts have changed with 
+ * allowing for checking if the mounts have changed with
  * g_unix_mounts_points_changed_since().
- * 
- * Returns: a #GList of the UNIX mountpoints. 
+ *
+ * Returns: a #GList of the UNIX mountpoints.
  **/
 GList *
 g_unix_mount_points_get (guint64 *time_read)