diff --git a/gst-libs/gst/video/video-hdr.h b/gst-libs/gst/video/video-hdr.h
index 6da876d619..35765cb809 100644
--- a/gst-libs/gst/video/video-hdr.h
+++ b/gst-libs/gst/video/video-hdr.h
@@ -32,7 +32,7 @@ typedef struct _GstVideoContentLightLevel GstVideoContentLightLevel;
 /**
  * GstVideoMasteringDisplayInfoCoordinates:
  * @x: the x coordinate of CIE 1931 color space in unit of 0.00002.
- * @x: the y coordinate of CIE 1931 color space in unit of 0.00002.
+ * @y: the y coordinate of CIE 1931 color space in unit of 0.00002.
  *
  * Used to represent display_primaries and white_point of
  * #GstVideoMasteringDisplayInfo struct. See #GstVideoMasteringDisplayInfo