Fix missing roxygen backticks

Author: brookslogan

R/time-utils.R

@@ -265,8 +265,8 @@ time_type_unit_pluralizer <- c(
 #' Format a length-1 time delta to a character to assist messaging
 #'
 #' This is meant to address the following:
-#' - glue::glue("{as.difftime(1, units = 'days')}") is "1"
-#' - glue::glue("{format(as.difftime(1, units = 'days'))}") is "1 days"
+#' - `glue::glue("{as.difftime(1, units = 'days')}")` is `"1"`
+#' - `glue::glue("{format(as.difftime(1, units = 'days'))}")` is `"1 days"`
 #' - time deltas for yearmonths and integers don't have units attached at all
 #'
 #' @keywords internal