diff --git a/NAMESPACE b/NAMESPACE
index 21b4d38..d9f645f 100644
--- a/NAMESPACE
+++ b/NAMESPACE
@@ -3,6 +3,7 @@
 export(calc_mappability)
 export(fit_ab)
 export(get_CPM)
+export(join_count_and_design)
 export(measure_gene_stats)
 export(measure_sgrna_stats)
 export(plot_PCA)
diff --git a/R/utils.R b/R/utils.R
index 38882f2..20cb31a 100644
--- a/R/utils.R
+++ b/R/utils.R
@@ -115,6 +115,13 @@ calc_mappability <- function(count_obj, df_design) {
 #' @importFrom magrittr %>%
 #' @importFrom tibble tibble
 #' @return A tall-thin and combined table of the sgRNA read counts and study design will be returned.
+#'
+#' @examples 
+#' library(CB2)
+#' data(Evers_CRISPRn_RT112) 
+#' head(join_count_and_design(Evers_CRISPRn_RT112$count, Evers_CRISPRn_RT112$design))
+#' 
+#' @export
 join_count_and_design <- function(sgcount, df_design) {
     cols <- colnames(sgcount)
     
diff --git a/man/join_count_and_design.Rd b/man/join_count_and_design.Rd
index eaf4eee..0f4e691 100644
--- a/man/join_count_and_design.Rd
+++ b/man/join_count_and_design.Rd
@@ -17,3 +17,9 @@ A tall-thin and combined table of the sgRNA read counts and study design will be
 \description{
 A function to join a count table and a design table.
 }
+\examples{
+library(CB2)
+data(Evers_CRISPRn_RT112) 
+head(join_count_and_design(Evers_CRISPRn_RT112$count, Evers_CRISPRn_RT112$design))
+
+}