diff --git a/vignettes/regionReport.Rmd b/vignettes/regionReport.Rmd
index a2ae293..f8af4e6 100644
--- a/vignettes/regionReport.Rmd
+++ b/vignettes/regionReport.Rmd
@@ -94,9 +94,9 @@ bib <- c(
     derfinderPlot = citation("derfinderPlot")[1],
     grid = citation("grid"),
     gridExtra = citation("gridExtra"),
-    mgcv = citation("mgcv"),
+    mgcv = citation("mgcv")[1],
     RColorBrewer = citation("RColorBrewer"),
-    whikser = citation("whisker"),
+    whisker = citation("whisker"),
     bumphunter = citation("bumphunter")[1],
     pheatmap = citation("pheatmap"),
     DESeq2 = citation("DESeq2"),