diff --git a/NAMESPACE b/NAMESPACE
index 3c23380..e6e3cd2 100644
--- a/NAMESPACE
+++ b/NAMESPACE
@@ -4,6 +4,7 @@ export(delete_tiddler)
 export(get_tiddler)
 export(get_tiddlers)
 export(put_tiddler)
+export(split_field)
 export(tiddler_document)
 export(tiddler_json)
 export(tw_options)
diff --git a/R/utils.R b/R/utils.R
index d87407a..17b1e94 100644
--- a/R/utils.R
+++ b/R/utils.R
@@ -67,6 +67,12 @@ tiddler_json <- function(title, text,
 }
 
 
+#' Split tiddlywiki field into values
+#'
+#' @param s a string
+#'
+#' @return an vector of values
+#' @export
 split_field <- function(s) {
     stopifnot(!is.null(s))
     stopifnot(length(s) == 1)
diff --git a/man/split_field.Rd b/man/split_field.Rd
new file mode 100644
index 0000000..1ac9e1a
--- /dev/null
+++ b/man/split_field.Rd
@@ -0,0 +1,17 @@
+% Generated by roxygen2: do not edit by hand
+% Please edit documentation in R/utils.R
+\name{split_field}
+\alias{split_field}
+\title{Split tiddlywiki field into values}
+\usage{
+split_field(s)
+}
+\arguments{
+\item{s}{a string}
+}
+\value{
+an vector of values
+}
+\description{
+Split tiddlywiki field into values
+}