Update docs

Author: hadley

man/labeller.Rd

@@ -61,7 +61,7 @@ p2 + facet_grid(vore ~ conservation,
   labeller=labeller(vore = capitalize, conservation = conservation_status ))
 
 # We could of course have renamed the levels;
-# then we can apply another nifty function:
+# then we can apply another nifty function
 msleep$conservation2 <- plyr::revalue(msleep$conservation, conservation_status)
 
 p2 \%+\% msleep +