Fix typo (#985)

Author: salim-b

R/utils.R

@@ -54,7 +54,7 @@ last <- function(x) x[[length(x)]]
 #' Legacy name repair
 #'
 #' Ensures all column names are unique using the approach found in
-#' tidyr 0.8.3 are earlier. Only use this function if you want to preserve
+#' tidyr 0.8.3 and earlier. Only use this function if you want to preserve
 #' the naming strategy, otherwise you're better off adopting the new
 #' tidyverse standard with `name_repair = "universal"`
 #'