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-rw-r--r--DOCS/man/en/vo.rst4
1 files changed, 2 insertions, 2 deletions
diff --git a/DOCS/man/en/vo.rst b/DOCS/man/en/vo.rst
index cf92d97efa..941a7a7283 100644
--- a/DOCS/man/en/vo.rst
+++ b/DOCS/man/en/vo.rst
@@ -325,8 +325,8 @@ opengl
Enable gamma-correct scaling by working in linear light. This
makes use of sRGB textures and framebuffers.
This option forces the options 'indirect' and 'gamma'.
- NOTE: for YUV colorspaces, gamma 2.2 is assumed. RGB input is always
- assumed to be in sRGB.
+ NOTE: for YUV colorspaces, gamma 1/0.45 (2.222) is assumed. RGB input
+ is always assumed to be in sRGB.
This option is not really useful, as gamma-correct scaling has not much
influence on typical video playback. Most visible effect comes from
slightly different gamma.