Normalize Comment Terminology

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

Util/FFmpeg/FFmpegNativeEncoder.cs

@@ -34,7 +34,7 @@ namespace ADOFAIRenderer.Util.FFmpeg
     ///
     /// ── Threading ────────────────────────────────────────────────────────
     ///   Every public method takes <c>_lock</c>, so calls from different threads are serialized.
-    ///   In the renderer, the main thread constructs and starts the encoder, and the render thread
+    ///   In the renderer, the main Unity thread constructs and starts the encoder, and the render thread
     ///   (RenderManager.RenderThread) sends the video frames and audio samples, calls End() and Dispose().
     ///   Dispose() may also be called from another thread to release an encoder whose render was stopped.
     ///   After End() or Dispose(), the Write*/Send* methods return without doing anything.
@@ -916,7 +916,7 @@ namespace ADOFAIRenderer.Util.FFmpeg
                     // Stream time base: unit of the timestamps stored in the container.
                     // Set to the codec time base (1 / framerate) so that every frame interval is a whole number of ticks.
                     // When it is left unset, the muxer uses 1/90000, in which the interval of rates such as
-                    // 59.94 fps (1501.5 ticks), 23.976 fps (3753.75 ticks) or 165 fps (545.45 ticks) is not an integer,
+                    // 59.94 FPS (1501.5 ticks), 23.976 FPS (3753.75 ticks) or 165 FPS (545.45 ticks) is not an integer,
                     // and the frame durations alternate between two values.
                     // The muxer may still adjust the value in avformat_write_header (e.g. mp4 scales it to at least 10000);
                     // packet timestamps are rescaled to the final value in SendFrameAndWritePackets.