fern.go: update doc

Add about the ignore-shorts options.

1 files changed, 1 insertions, 0 deletions

diff --git a/fern.go b/fern.go
index 3e288ac..2a92711 100644
--- a/fern.go
+++ b/fern.go
@@ -29,6 +29,7 @@
 //	   "schema": "npr", // must be "youtube" or "npr" or "podcast"
 //	   "last": 5 // the last N items that should be downloaded
 //	   "title-contains": "tiny desk" // optional. if specified, downloads entries with title matching the value of this field
+//	   "ignore-shorts": true // optional. applicable to only youtube feeds. if set, will ignore youtube shorts.
 //	}
 //
 // You may download an example config file for fern from