add help text

assets/ffplayout.yml

@@ -98,7 +98,7 @@ playlist:
     help_text: >
         'path' can be a path to a single file, or a directory. For directory put
         only the root folder, for example '/playlists', subdirectories are read by the
-        script. Subdirectories needs this structure '/playlists/2018/01'. 'day_start'
+        program. Subdirectories needs this structure '/playlists/2018/01'. 'day_start'
         means at which time the playlist should start, leave day_start blank when playlist
         should always start at the begin. 'length' represent the target length from
         playlist, when is blank real length will not consider. 'infinit: true' works with

lib/src/utils/config.rs

@@ -329,6 +329,7 @@ pub struct Text {
 
 #[derive(Debug, Default, Serialize, Deserialize, Clone)]
 pub struct Task {
+    pub help_text: String,
     pub enable: bool,
     pub path: PathBuf,
 }