[retro-gtk/build-doc] typo fix

[Adrien Plazas <aplazas src gnome org>]

commit 461aa90ca98c8277b50a83dece6a536b6ff34d7c
Author: Adrien Plazas <kekun plazas laposte net>
Date:   Mon Apr 13 13:07:57 2020 +0200

    typo fix

 retro-gtk/retro-core-descriptor.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/retro-gtk/retro-core-descriptor.c b/retro-gtk/retro-core-descriptor.c
index 264ce37..e28779d 100644
--- a/retro-gtk/retro-core-descriptor.c
+++ b/retro-gtk/retro-core-descriptor.c
@@ -3,7 +3,7 @@
 #include "retro-core-descriptor.h"
 
 /**
- * SECTION:retro-core-desciptor
+ * SECTION:retro-core-descriptor
  * @short_description: An object describing the capabilities and requirements of a Libretro core
  * @title: RetroCoreDescriptor
  * @See_also: #RetroCore