diff --git a/gst/gstpad.h b/gst/gstpad.h
index 92bb5e1331..9c9bf5b410 100644
--- a/gst/gstpad.h
+++ b/gst/gstpad.h
@@ -532,8 +532,8 @@ typedef enum
  * @GST_PAD_PROBE_OK: normal probe return value. This leaves the probe in
  *        place, and defers decisions about dropping or passing data to other
  *        probes, if any. If there are no other probes, the default behaviour
- *        for the probe type applies (%GST_PAD_PROBE_DROP for blocking probes,
- *        and %GST_PAD_PROBE_PASS for non-blocking probes).
+ *        for the probe type applies ('block' for blocking probes,
+ *        and 'pass' for non-blocking probes).
  * @GST_PAD_PROBE_DROP: drop data in data probes. For push mode this means that
  *        the data item is not sent downstream. For pull mode, it means that
  *        the data item is not passed upstream. In both cases, no other probes