[retro-gtk/wip/aplazas/c-port] Fixes

[Adrien Plazas <aplazas src gnome org>]

commit ec3364fefb51d72bef161c6581832a635fb8138c
Author: Adrien Plazas <kekun plazas laposte net>
Date:   Tue Oct 10 10:42:35 2017 +0200

    Fixes

 retro-gtk/retro-core-descriptor.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/retro-gtk/retro-core-descriptor.c b/retro-gtk/retro-core-descriptor.c
index 0fcae0d..f92ab16 100644
--- a/retro-gtk/retro-core-descriptor.c
+++ b/retro-gtk/retro-core-descriptor.c
@@ -757,8 +757,8 @@ retro_core_descriptor_get_mime_type (RetroCoreDescriptor  *self,
  * retro_core_descriptor_get_firmwares
  * @self: a #RetroCoreDescriptor
  * @platform: a platform name
- * @length (out) (optional): return location for the number of returned strings,
- * or %NULL
+ * @length: (out) (optional): return location for the number of returned
+ * strings, or %NULL
  * @error: return location for a #GError, or %NULL
  *
  * Gets the list of firmwares used by the core for this platform.