diff --git a/Project.toml b/Project.toml
index 9de1e35..33e1725 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,7 +1,7 @@
 name = "LazyGrids"
 uuid = "7031d0ef-c40d-4431-b2f8-61a8d2f650db"
 authors = ["Sheehan Olver <s.olver@imperial.ac.uk>", "Jeff Fessler <fessler@umich.edu>"]
-version = "0.5.0"
+version = "1.0"
 
 [deps]
 Statistics = "10745b16-79ce-11e8-11f9-7d13ad32a3b2"
diff --git a/README.md b/README.md
index dcdfff7..c2e19a4 100644
--- a/README.md
+++ b/README.md
@@ -40,7 +40,7 @@ julia> xg
  2  2  2
 
 julia> yg
-2×3 LazyGrids.GridAR{Float64, 2, 2}:
+2×3 LazyGrids.GridSL{Float64, 2, 2, Base.TwicePrecision{Float64}, Base.TwicePrecision{Float64}}:
  3.0  3.5  4.0
  3.0  3.5  4.0
 
@@ -54,7 +54,7 @@ julia> size(xg) # show array dimensions
 (1001, 1001, 1001)
 
 julia> sizeof(xg) # show number of bytes used
-40
+72
 ```
 
 ## Related packages