diff --git a/NAMESPACE b/NAMESPACE
index ecd46e6ad107e9d7aca0a0abf76d442515af6fae..b46f35a6376df0ff96f8c73d656a5f8c5bdf729b 100644
--- a/NAMESPACE
+++ b/NAMESPACE
@@ -96,6 +96,7 @@ importFrom(readr,write_delim)
 importFrom(readr,write_lines)
 importFrom(stats,density)
 importFrom(stats,lag)
+importFrom(stringr,str_count)
 importFrom(stringr,str_detect)
 importFrom(stringr,str_remove)
 importFrom(stringr,str_remove_all)
diff --git a/R/helper.R b/R/helper.R
index b583e7658add55303cde38e7717a97ab04a65f4d..cec5ba451f55a7a7367e85fb53aba179ce0ad31f 100644
--- a/R/helper.R
+++ b/R/helper.R
@@ -4,7 +4,7 @@
 #'   (i.e. TxtInOut).
 #' @return updated management.sch file
 #' @importFrom readr read_lines write_lines
-#' @importFrom stringr str_replace
+#' @importFrom stringr str_replace str_count
 #' @export
 #'
 #' @examples