diff --git a/libavutil/pixfmt.h b/libavutil/pixfmt.h
index 908b0fe7a5..3e040fb3a0 100644
--- a/libavutil/pixfmt.h
+++ b/libavutil/pixfmt.h
@@ -316,8 +316,8 @@ enum AVColorPrimaries {
     AVCOL_PRI_BT2020      = 9, ///< ITU-R BT2020
     AVCOL_PRI_SMPTE428    = 10, ///< SMPTE ST 428-1 (CIE 1931 XYZ)
     AVCOL_PRI_SMPTEST428_1 = AVCOL_PRI_SMPTE428,
-    AVCOL_PRI_SMPTE431    = 11, ///< SMPTE ST 431-2 (2011)
-    AVCOL_PRI_SMPTE432    = 12, ///< SMPTE ST 432-1 D65 (2010)
+    AVCOL_PRI_SMPTE431    = 11, ///< SMPTE ST 431-2 (2011) / DCI P3
+    AVCOL_PRI_SMPTE432    = 12, ///< SMPTE ST 432-1 (2010) / P3 D65 / Display P3
     AVCOL_PRI_NB,              ///< Not part of ABI
 };