Update .Rd file

Author: Kirill Müller

man/theme.Rd

@@ -102,7 +102,11 @@
   and grid lines. This should be used with \code{fill=NA}
   (\code{element_rect}; inherits from \code{rect}) \cr
   panel.margin \tab margin around facet panels
-  (\code{unit}) \cr panel.grid \tab grid lines
+  (\code{unit}) \cr panel.margin.x \tab horizontal margin
+  around facet panels (\code{unit}; inherits from
+  \code{panel.margin}) \cr panel.margin.y \tab vertical
+  margin around facet panels (\code{unit}; inherits from
+  \code{panel.margin}) \cr panel.grid \tab grid lines
   (\code{element_line}; inherits from \code{line}) \cr
   panel.grid.major \tab major grid lines
   (\code{element_line}; inherits from \code{panel.grid})
@@ -229,7 +233,7 @@ k + theme(strip.background = element_rect(colour = "purple", fill = "pink",
 k + theme(strip.text.x = element_text(colour = "red", angle = 45, size = 10,
                                       hjust = 0.5, vjust = 0.5))
 k + theme(panel.margin = unit(5, "lines"))
-k + theme(panel.margin = unit(0, "lines"))
+k + theme(panel.margin.y = unit(0, "lines"))
 
 
 # Modify a theme and save it