/** xcb connection errors because of socket, pipe and other stream errors. */
#define XCB_CONN_ERROR 1
-/** xcb connection shutdown because of extension not sppported */
+/** xcb connection shutdown because of extension not supported */
#define XCB_CONN_CLOSED_EXT_NOTSUPPORTED 2
/** malloc(), calloc() and realloc() error upon failure, for eg ENOMEM */