Improve language (#1217)

Author: salim-b

R/test-files.R

@@ -280,9 +280,9 @@ test_one_file <- function(path, env = test_env(), wrap = TRUE) {
 
 #' Run code after all test files
 #'
-#' This environment no purpose except as a handle for [withr::defer()]: use
-#' this environment when you want to run code until after all tests have been
-#' run. Typically, you'll use `withr::defer(cleanup(), teardown_env())`
+#' This environment has no purpose other than as a handle for [withr::defer()]:
+#' use it when you want to run code after all tests have been run.
+#' Typically, you'll use `withr::defer(cleanup(), teardown_env())`
 #' immediately after you've made a mess in a `setup-*.R` file.
 #'
 #' @export