Fix typo in docs (#3914)

docs/tasks/task-configuration.md

@@ -208,7 +208,7 @@ has changed since the last build.
 The counterpart to `sources`, these are the files or directories that the task will create/modify after
 it executes.
 
-`auto = true` is an altnernative to specifying output files manually. In that case, mise will touch
+`auto = true` is an alternative to specifying output files manually. In that case, mise will touch
 an internally tracked file based on the hash of the task definition (stored in `~/.local/state/mise/task-outputs/<hash>` if you're curious).
 This is useful if you want `mise run` to execute when sources change but don't want to have to manually `touch`
 a file for `sources` to work.