diff --git a/DOCS/man/options.rst b/DOCS/man/options.rst
index d6e7cf56cf..6d1ff4df5a 100644
--- a/DOCS/man/options.rst
+++ b/DOCS/man/options.rst
@@ -696,6 +696,7 @@ Video
     :cuda:      requires ``--vo=gpu`` (Any platform CUDA is available)
     :cuda-copy: copies video back to system RAM (Any platform CUDA is available)
     :crystalhd: copies video back to system RAM (Any platform supported by hardware)
+    :rkmpp:     requires ``--vo=gpu`` (some RockChip devices only)
 
     ``auto`` tries to automatically enable hardware decoding using the first
     available method. This still depends what VO you are using. For example,