Fix desc

Author: wysaid

BUILD_AND_INSTALL.md

@@ -246,7 +246,7 @@ git clean -fdx install/
 
 - ✅ macOS (x86_64, arm64, Universal Binary)
 - ✅ Windows (x86, x64, arm64)
-- ✅ Linux (x86_64, arm64, all distributions with V4L2 support)
+- ✅ Linux (camera capture only – video playback not yet supported; x86_64, arm64, all distributions with V4L2 support)
 
 **Note**: Video file playback is currently supported on Windows and macOS only. Linux video playback support may be added in a future release.