Updated README.md.

helpers/README.md

@@ -5,3 +5,17 @@ These are helper tools to work with Fabric. Examples include things like getting
 ## yt (YouTube)
 
 `yt` is a command that uses the YouTube API to pull transcripts, get video duration, and other functions. It's primary function is to get a transcript from a video that can then be stitched (piped) into other Fabric Patterns.
+
+```bash
+usage: yt [-h] [--duration] [--transcript] [url]
+
+vm (video meta) extracts metadata about a video, such as the transcript and the video's duration. By Daniel Miessler.
+
+positional arguments:
+  url           YouTube video URL
+
+options:
+  -h, --help    show this help message and exit
+  --duration    Output only the duration
+  --transcript  Output only the transcript
+```