doc: Add doxygen documentation to wl_display_get_error()

diff --git a/src/wayland-client.c b/src/wayland-client.c
index 2eaecc9..9ac4edb 100644 (file)
--- a/src/wayland-client.c
+++ b/src/wayland-client.c
@@ -860,6 +860,13 @@ wl_display_dispatch_pending(struct wl_display *display)
        return dispatch_queue(display, &display->queue, 0);
 }
 
+/** Retrieve the last error sent by the server
+ *
+ * \param display The display context object
+ * \return The last error sent asynchronously by \c display
+ *
+ * \memberof wl_display
+ */
 WL_EXPORT int
 wl_display_get_error(struct wl_display *display)
 {