diff --git a/subprojects/gst-plugins-base/gst-libs/gst/sdp/gstmikey.c b/subprojects/gst-plugins-base/gst-libs/gst/sdp/gstmikey.c
index e0a9d383b2..e6d97ca10a 100644
--- a/subprojects/gst-plugins-base/gst-libs/gst/sdp/gstmikey.c
+++ b/subprojects/gst-plugins-base/gst-libs/gst/sdp/gstmikey.c
@@ -684,7 +684,7 @@ gst_mikey_payload_key_data_set_spi (GstMIKEYPayload * payload,
  * gst_mikey_payload_key_data_set_interval:
  * @payload: a #GstMIKEYPayload
  * @vf_len: the length of @vf_data
- * @vf_data: (array length=vf_data): the Valid From data
+ * @vf_data: (array length=vf_len): the Valid From data
  * @vt_len: the length of @vt_data
  * @vt_data: (array length=vt_len): the Valid To data
  *