Clarified instructions for contributing.

Added new make recipe for testing subtitles.

Makefile

@@ -1,14 +1,20 @@
 
 ORIGINAL_SUBS=autogen-subs
-VIDEO=1ere-introcut.mp4
+VIDEO=1ere.mkv
+# VIDEO=1ere-introcut.mp4
+
+test: getvideo
+	ffmpeg -i $(VIDEO) -i mangen-subs.fr.vtt -vcodec copy -acodec copy -c:s mov_text test.mp4 -y
+
+getvideo:
+	yt-dlp https://www.youtube.com/watch?v=WRq2197FlMw -o $(VIDEO)
 
 cleansubs:
 	python scripts/parse-subs.py $(ORIGINAL_SUBS).fr.vtt
-# 	ffmpeg -i 1ere.mkv -i output.vtt -vcodec copy -acodec copy -c:s mov_text test.mp4 -y
 
 getsubs:
 	yt-dlp --write-auto-subs --sub-lang=fr --skip-download  https://www.youtube.com/watch?v=WRq2197FlMw -o autogen-subs
 
 # omit the music
-clip:
-	ffmpeg -ss 3:18 -i 1ere-combined.mp4 -vcodec copy -acodec copy $(VIDEO)
+# clip:
+# 	ffmpeg -ss 3:18 -i 1ere-combined.mp4 -vcodec copy -acodec copy 1ere-introcut.mp4

README.md

@@ -9,14 +9,18 @@ The original video and the auto-generated captions in French can be sourced from
 
 The automatically generated French transcript needs to be checked over by a human. The French transcript then needs to be translated to English, also with human oversight.
 
-File `mangen-subs.fr.vtt` contains the current draft of the human-edited auto-generated transcript.
+* Verify and edit the file `mangen-subs.fr.vtt` which contains the current draft of the human-edited auto-generated transcript.
+* Run `make test` to add subtitles to the video and ensure the format is correct.
 
 ### Contributors
 
 * tuxmain, [https://txmn.tk/](https://txmn.tk/)
+* 1 anonymous contributor(s)
 
 ### Getting the original auto-generated transcript
 
+*To see how much a southern accent and speech quirks can throw off an AI.*
+
 Run the following to download the auto-generated transcript from YouTube to a new file named `autogen-subs.fr.vtt`.
 
     yt-dlp --write-auto-subs --sub-lang=fr --skip-download  https://www.youtube.com/watch?v=WRq2197FlMw -o autogen-subs