diff --git a/libretro-sdk/include/libco.h b/libretro-sdk/include/libco.h
index 93ea0fd86b..23079de6c8 100644
--- a/libretro-sdk/include/libco.h
+++ b/libretro-sdk/include/libco.h
@@ -48,8 +48,8 @@ cothread_t co_active(void);
 
 /**
  * co_create:
- * @int                : size to allocate
- * @funcptr            : function callback
+ * @int                : stack size
+ * @funcptr            : thread entry function callback
  *
  * Create a co_thread.
  *