[docs] Clarify `best*`

Closes #4373

diff --git a/README.md b/README.md
index 10157a929937dcd402b5528d81d71ec3d5b02607..f0c49eef98d46ee4265748eb06df965fb27b4cc7 100644 (file)
--- a/README.md
+++ b/README.md
@@ -1443,7 +1443,7 @@ # FORMAT SELECTION
 
  - `all`: Select **all formats** separately
  - `mergeall`: Select and **merge all formats** (Must be used with `--audio-multistreams`, `--video-multistreams` or both)
- - `b*`, `best*`: Select the best quality format that **contains either** a video or an audio
+ - `b*`, `best*`: Select the best quality format that **contains either** a video or an audio or both (ie; `vcodec!=none or acodec!=none`)
  - `b`, `best`: Select the best quality format that **contains both** video and audio. Equivalent to `best*[vcodec!=none][acodec!=none]`
  - `bv`, `bestvideo`: Select the best quality **video-only** format. Equivalent to `best*[acodec=none]`
  - `bv*`, `bestvideo*`: Select the best quality format that **contains video**. It may also contain audio. Equivalent to `best*[vcodec!=none]`