Revert to intentional typo

This doc entry intendts to warn the user what happens when they enter a typo. Commit 71dc8d9 fixed that typo, which turned this documentation entry into something that's very confusing / misleading.

man-roxygen/param_unused_dots.R

@@ -2,7 +2,7 @@
 #'   signature only. **Cautionary note:** Misspelled arguments will be
 #'   absorbed in `...`, where they will be ignored. If the misspelled
 #'   argument has a default value, the default value will be used.
-#'   For example, if you pass `conf.level = 0.9`, all computation will
+#'   For example, if you pass `conf.lvel = 0.9`, all computation will
 #'   proceed using `conf.level = 0.95`. Additionally, if you pass
 #'   `newdata = my_tibble` to an [augment()] method that does not
 #'   accept a `newdata` argument, it will use the default value for