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-rw-r--r--DOCS/man/en/vo.rst3
1 files changed, 2 insertions, 1 deletions
diff --git a/DOCS/man/en/vo.rst b/DOCS/man/en/vo.rst
index 67832fe862..e48f53d47c 100644
--- a/DOCS/man/en/vo.rst
+++ b/DOCS/man/en/vo.rst
@@ -330,7 +330,8 @@ opengl
NOTE: for YUV colorspaces, gamma 2.2 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.
+ influence on typical video playback. Most visible effect comes from
+ slightly different gamma.
pbo
Enable use of PBOs. This is faster, but can sometimes lead to