Migrate documentation to roxygen2md

Change-Id: If5370cd207770f3e05c6f5cd063bd2a414b92bcb
diff --git a/R/reexports.R b/R/reexports.R
index 1630dd9..1f7e804 100644
--- a/R/reexports.R
+++ b/R/reexports.R
@@ -1,7 +1,7 @@
 
 #' Pipe operator
 #'
-#' See \code{magrittr::\link[magrittr:pipe]{\%>\%}} for details.
+#' See `magrittr::[\%>\%][magrittr::pipe]` for details.
 #'
 #' @name %>%
 #' @rdname pipe