fix: move params into frontmatter, fix typo

Author: Whipstickgostop

streamerbot/3.api/2.triggers/core/file-io/file-tail/changed.md

@@ -3,27 +3,25 @@ title: File Tail Changed
 navigation.title: Changed
 description: Trigger for a Change from a File Tail
 version: 0.2.3
+parameters:
+  - name: Watcher
+    type: Select
+    description: |
+      Select a file tail from the Settings -> File Tails tab.
+
+      - Select `Any` to trigger on **any file tail**
+
+      ::tip
+      You can quickly register a new file tail by clicking the `Create File Tail` button!
+      ::
 variables:
   - name: filePath
     type: string
     description: The file path
   - name: fileName
     type: string
-    description: The fill name
+    description: The file name
   - name: line
     type: string
     description: The line of the file tail
 ---
-
-## Parameters
-::field-group
-  ::field{name=Watcher type=Select}
-    Select a file tail from the Settings -> File Tails tab.
-
-    - Select `Any` to trigger on **any file tail**
-
-    ::tip
-    You can quickly register a new file tail by clicking the `Create File Tail` button!
-    ::
-  ::
-::