diff --git a/libgphoto2_port/libgphoto2_port/gphoto2-port-info-list.c b/libgphoto2_port/libgphoto2_port/gphoto2-port-info-list.c
index 1e405fb71..6fd9c7cd7 100644
--- a/libgphoto2_port/libgphoto2_port/gphoto2-port-info-list.c
+++ b/libgphoto2_port/libgphoto2_port/gphoto2-port-info-list.c
@@ -57,7 +57,7 @@
 #endif
 
 /**
- * GPPortInfoList:
+ * \internal GPPortInfoList:
  *
  * The internals of this list are private.
  **/
diff --git a/libgphoto2_port/libgphoto2_port/gphoto2-port.c b/libgphoto2_port/libgphoto2_port/gphoto2-port.c
index 4b3988a72..d8b862161 100644
--- a/libgphoto2_port/libgphoto2_port/gphoto2-port.c
+++ b/libgphoto2_port/libgphoto2_port/gphoto2-port.c
@@ -58,6 +58,7 @@
 #define CHECK_INIT(p) {if (!(p)->pc->ops) {gp_port_set_error ((p), _("The port has not yet been initialized")); return (GP_ERROR_BAD_PARAMETERS);}}
 
 /**
+ * \internal
  * This structure contains private data.
  **/
 struct _GPPortPrivateCore {