Cosmetic changes (#391)

R/iterate.R

@@ -5,7 +5,7 @@
 #'
 #' `req_perform_iterative()` iteratively generates and performs requests,
 #' using a callback function, `next_req`, to define the next request based on
-#' the current request and response. You will probably want to it pair with an
+#' the current request and response. You will probably want to pair it with an
 #' [iteration helper][iterate_with_offset] and use a
 #' [multi-response handler][resps_successes] to process the result.
 #'
@@ -19,7 +19,7 @@
 #'
 #' Generally, your function needs to inspect the response, extract some data
 #' from it, then use that to modify the previous request. For example, imagine
-#' that the response returns a cursor, which needs to be add to the body of
+#' that the response returns a cursor, which needs to be added to the body of
 #' the request. The simplest version of this function might look like this:
 #'
 #' ```R
@@ -29,7 +29,7 @@
 #' }
 #' ```
 #'
-#' There's one problem here: if there are no more pages to return then
+#' There's one problem here: if there are no more pages to return, then
 #' `cursor` will be `NULL`, but `req_body_json_modify()` will still generate
 #' a meaningful request. So we need to handle this specifically by
 #' returning `NULL`:
@@ -43,8 +43,8 @@
 #' }
 #' ```
 #'
-#' A value of `NULL` lets `req_perform_iterative()` know there are no pages
-#' remaining.
+#' A value of `NULL` lets `req_perform_iterative()` know there are no more
+#' pages remaining.
 #'
 #' There's one last feature you might want to add to your iterator: if you
 #' know the total number of pages, then it's nice to let