doc/ffmpeg: clarify what -hwaccels list indicates

Fixes #8204

diff --git a/doc/ffmpeg.texi b/doc/ffmpeg.texi
index a1820af2a9493c33c0dcd28e878b7f9462e7e4b9..9feabe651763f61642a9ee8b6487592e8683d1bf 100644 (file)
--- a/doc/ffmpeg.texi
+++ b/doc/ffmpeg.texi
@@ -1243,7 +1243,9 @@ by name, or it can create a new device as if
 were called immediately before.
 
 @item -hwaccels
-List all hardware acceleration methods supported in this build of ffmpeg.
+List all hardware acceleration components enabled in this build of ffmpeg.
+Actual runtime availability depends on the hardware and its suitable driver
+being installed.
 
 @end table