--- a/PKGBUILD
+++ b/PKGBUILD
@@ -10,8 +10,10 @@
 url="http://zim-wiki.org/"
 depends=('pygtk' 'ttf-dejavu')
 optdepends=('bzr: Version Control plugin'
+	    'gnuplot: Insert Gnuplot plugin'
 	    'graphviz: Insert Diagram & Link Map plugins'
-	    'gtkspell: Spell Checker plugin'
+	    'python2-gtkspell: Spell Checker plugin'
+	    'r: Insert GNU R Plot plugin'
 	    'scrot: Insert Screenshot plugin'
 	    'texlive-bin: Insert Equation plugin')
 install=zim.install