diff --git a/inst/WORDLIST b/inst/WORDLIST
new file mode 100644
index 0000000..ad94f45
--- /dev/null
+++ b/inst/WORDLIST
@@ -0,0 +1,44 @@
+AAAS
+BMJ
+Bioinformatics
+CMD
+Catalogue
+Circos
+ColorBrewer
+Fi
+Futurama
+GSEA
+GenePattern
+Getz
+Guttman
+Hanahan
+HeatMapImage
+IGV
+JAMA
+JCO
+LocusZoom
+Mesirov
+Morty
+NEJM
+NPG
+ORCID
+Pruim
+RStudio
+SSL
+Schwifty
+Thorvaldsdóttir
+Translational
+UCSC
+UCSCGB
+UChicago
+UI
+Winckler
+al
+et
+ggplot
+jhrcook
+js
+pandoc
+pngquant
+ragg
+viridis
diff --git a/vignettes/ggsci.Rmd b/vignettes/ggsci.Rmd
index 602abb0..e3dec61 100644
--- a/vignettes/ggsci.Rmd
+++ b/vignettes/ggsci.Rmd
@@ -489,7 +489,7 @@ grid.arrange(
 ```
 
 From the figure above, we can see that even though an identical matrix
-was visualized by all plots, some palettes are more preferrable
+was visualized by all plots, some palettes are more preferable
 than the others because our eyes are more sensitive to the changes
 of their saturation levels.