diff --git a/src/arg_desc.jl b/src/arg_desc.jl
index 5fe1e7af..f5833c02 100644
--- a/src/arg_desc.jl
+++ b/src/arg_desc.jl
@@ -3,30 +3,30 @@ const _arg_desc = KW(
 
 # series args
 :label 				=> "String type. The label for a series, which appears in a legend.  If empty, no legend entry is added.",
-:seriescolor 		=> "Color type. The base color for this series.  `:auto` (the default) will select a color from the subplot's `color_palette`, based on the order it was added to the subplot",
+:seriescolor 		=> "Color Type. The base color for this series.  `:auto` (the default) will select a color from the subplot's `color_palette`, based on the order it was added to the subplot",
 :seriesalpha 		=> "Number in [0,1]. The alpha/opacity override for the series.  `nothing` (the default) means it will take the alpha value of the color.",
 :seriestype 		=> "Symbol. This is the identifier of the type of visualization for this series. Choose from $(_allTypes) or any series recipes which are defined.",
-:linestyle 			=> "",
-:linewidth         	=> "",
-:linecolor         	=> "",
-:linealpha         	=> "",
-:fillrange         	=> "",
-:fillcolor         	=> "",
-:fillalpha         	=> "",
-:markershape       	=> "",
-:markercolor       	=> "",
-:markeralpha       	=> "",
-:markersize        	=> "",
-:markerstrokestyle 	=> "",
-:markerstrokewidth 	=> "",
-:markerstrokecolor 	=> "",
-:markerstrokealpha 	=> "",
-:bins              	=> "",
-:smooth            	=> "",
-:group             	=> "",
-:x                 	=> "",
-:y                 	=> "",
-:z                 	=> "",
+:linestyle 			=> "Symbol. Style of the line (for path and bar stroke).  Choose from $(_allStyles)",
+:linewidth         	=> "Number. Width of the line (in pixels)",
+:linecolor         	=> "Color Type. Color of the line (for path and bar stroke).  `:match` will take the value from `:seriescolor`, (though histogram/bar types use `:black` as a default).",
+:linealpha         	=> "Number in [0,1]. The alpha/opacity override for the line.  `nothing` (the default) means it will take the alpha value of linecolor.",
+:fillrange         	=> "Number or AbstractVector.  Fills area from this to y for line-types, sets the base for bar/stick types, and similar for other types.",
+:fillcolor         	=> "Color Type. Color of the filled area of path or bar types.  `:match` will take the value from `:seriescolor`.",
+:fillalpha         	=> "Number in [0,1]. The alpha/opacity override for the fill area.  `nothing` (the default) means it will take the alpha value of fillcolor.",
+:markershape       	=> "Symbol, Shape, or AbstractVector. Choose from $(_allMarkers).",
+:markercolor       	=> "Color Type. Color of the interior of the marker or shape. `:match` will take the value from `:seriescolor`.",
+:markeralpha       	=> "Number in [0,1]. The alpha/opacity override for the marker interior.  `nothing` (the default) means it will take the alpha value of markercolor.",
+:markersize        	=> "Number or AbstractVector. Size (radius pixels) of the markers.",
+:markerstrokestyle 	=> "Symbol. Style of the marker stroke (border).  Choose from $(_allStyles)",
+:markerstrokewidth 	=> "Number. Width of the marker stroke (border. in pixels)",
+:markerstrokecolor 	=> "Color Type. Color of the marker stroke (border).  `:match` will take the value from `:seriescolor`.",
+:markerstrokealpha 	=> "Number in [0,1]. The alpha/opacity override for the marker stroke (border).  `nothing` (the default) means it will take the alpha value of markerstrokecolor.",
+:bins              	=> "Integer, NTuple{2,Integer}, AbstractVector. For histogram-types, defines the number of bins, or the edges, of the histogram.",
+:smooth            	=> "Bool.  Add a regression line?",
+:group             	=> "AbstractVector. Data is split into a separate series, one for each unique value in `group`.",
+:x                 	=> "Various. Input data. First Dimension",
+:y                 	=> "Various. Input data. Second Dimension",
+:z                 	=> "Various. Input data. Third Dimension. May be wrapped by a `Surface` for surface and heatmap types.",
 :marker_z          	=> "",
 :levels            	=> "",
 :orientation       	=> "",